The Heat Link was definitely not in manual mode, but I did have it in manual mode earlier in the week to test the rads. Photo Gallery. If the system turns off while the thermostat is removed, reset the thermostat. Now test for continuity on the pins on the back of the thermostat face plate from RC or RH to the terminals corresponding to the device running (G – fan, W/E – furnace, Y – compressor). With a conventional system with a header tank, I can't see any problem running the system for a few days. I can turn radiators off manually. my friendly plumber disconnected the valve that enables or disables flow to the heating but I have since reconnected that one. Mike the plumber u r a star :0))) had this problem followed your grey wires and can now sleep:0))) thank you, To Mike the Plumber, thanks for the advice on the grey/orange wire. What is necessary to keep them running optimally? Not so easy, especially when it doesn't happen all the time. Place the thermostat face down on a counter, and open the back. My boiler fires up every 90 mins or so, when the heating and hot water are off. The only way to stop it is to turn the actual boiler to 'heating off'. Videos. Moonshine Still DIY Kits & Parts Tri Clover Ferrules, Clamps, Gaskets & Thermometers Copper Pipe, Tubing & Fittings Compression, Pex Fittings, & Valves Scratch & Dent. Please help . it will keep firing up to shorten the time it takes for the hot … A wiring issue could also be the cause for your boiler not turning off. Distillers Yeast & Turbo Yeast. Blog. … Once it becomes clear that your boiler is heating the house when it isn't necessary, you should turn the thermostat down. howtomendit.com costs nothing to use and you can ask a question without an account or logging in. 0. No, boilers in operation today do not boil water (myth number one … Check each wire connection on the wall plate, and make sure they’re secure in the terminal blocks. My thought was some sort of Taco zone valve issue so I twisted each power head off and back on one by one. Does your old thermostat have two sets of terminal labels? The table below shows what each terminal letter represents. Still Boilers & Heating Equipment. Put one test probe on the pin labelled RH and the other test probe on the pin labelled W/E. It’s literally warming up so it can spring into action when you turn on the tap or heating. Anyway, there are separate indicators on the boiler for when it fires up for water, heating, and this 90 min routine fire-up. If this thermostat is set to a temperature above room temp the boiler (or furnace or steam boiler) will run until the thermostat is satisfied (and the room reaches or passes the "set" temperature on the thermostat. As is the case with most appliances, tampering with wires can be dangerous. Moonshine Still Kits & Parts. Thanks for all your suggestions. Adolfo2 Member Posts: 32. Standard Heating Service Technician David Howland is here to help. he did say that if it happens again he would change "everything" meaning valve heads, controller and possibly tank stat. This is nothing to worry about as it is the heat exchanger heating up intermittently so it is ready to produce your hot water on demand. Also I know something is on as the gas meter is running furiously! So even when the heating thermostats are completely off, I still get very small amounts of heat coming from some of the baseboards on the first and second floor. Your boiler has "pump overrun" so the pump is connected directly to the boiler. Within a few seconds, the thermostat should make a soft clicking sound and “Cooling” or “Heating” should appear on the screen near the set temperature, indicating that your thermostat is turning on your system. I have thermostats on all my radiators which were fitted in January this year. Even when you shut off the heat at the programmable thermostat the boiler keeps running. Ordered a new sun valve as a result, thanks again Philip. ljs_85. Books, Hats & T-Shirts . Is there anything I can do? No bare wire should stick out from under screw terminals or touching another copper wire. Older boilers may still use pilot lights to ignite their burners, rather than the modern electronic ignition systems. My boiler pump runs continuously and fires even when timer switch is off? You want to tug on each wire to ensure they’re secure. We have a two level thermostat and that is how ours is designed to work. Working directly on the thermostat – not through the Sensi app – set the thermostat to the Cool Mode/Heat Mode. I have replaced - Answered by a verified Plumber I have replaced - Answered by a verified Plumber We use cookies to give you the best possible experience on our website. If it breaks, well it wasn't working right anyway. no circulators running. If you don’t turn it off and allow it to cool before working on it, you could damage the system or hurt yourself. But at 3 AM I woke up to all the radiators lightning hot and the Nest reporting that the heating was turned off. A new energy-efficient boiler could save you hundreds off your heating bill every year. C, W, S or Y and with some of these systems the pump is controlled by the motorised valve so first step is to find what system you have. The flow is the pipe heading out of the boiler, which is used to heat your radiators. My boiler keeps running even when the water and heating are off. Blocked pump. If your boiler powers up perfectly well continually trips or switches itself off, this may be as simple as the low pressure we discussed in the previous paragraph. However, I checked the radiators and they seem to be cold. I'm using Bayweb and thought it might be the module, but the heat light goes off when thermostat is satisfied, but boiler continues to run. ), Heating, Home Heating Systems (31117 other questions). I removed the time clock completely and the boiler was still running. Many thanks for your time and patience. When you need to heat up your home, the water is pumped from the boiler through to your radiators. Why am I having trouble with Window's Safemode? The boiler's "burner" light was on when I went into the garage to check the main circuit unit but it went off while I was in there, and therefore the meter reading stopped rising. I also have a switch on the return to the boiler which I guess is an overheat switch set a 60. A check valve is used to stop the natural convection from warming up your home when your heating is switched off. I’m using Ideal HE35. Depending on the make of your boiler, the recommended optimal working pressure by most manufacturers is 1.3 bar. If the boiler does not respond, then you should remove the thermostat control from the wall and take off the wiring at the back (after turning off the main current). (Add your answer here. Learn more here. Honeywells web site does show the four … The central heating will not turn off at all even if I switch off the thermostat. If you are repairing the bathroom basin tap then why not take the opportunity to add issolation valves to the hot and cold supplys to the tap. Ensure you have read our Small First, try to bleed your radiators to remove the air.. I am wondering whether it is the Honeywell aquastat controller.I have model L4080b on the boiler. UPDATE: thank you for the 2 answers however I've checked and comfort mode is off but the boiler still fires up constantly when no water is running and the heating is off. Information. Our customer support is available 7 days a week. Remove the thermostat face plate from the sub-base. A boiler depends on several different control and monitoring systems to ensure safe operation. My boiler keeps firing up even though the timer for hot water and central heating is switched to Off. Are you thinking about buying a beautiful old home but worried about the possibly antiquated boiler heating system? If the two devices don't match, try removing the control switch, and then retesting your boiler. If continuity is not detected, and replacing the thermostat face plate makes the system run continuously again, your system may have a sensitive equipment circuit that is reacting to the power sharing feature in the thermostat. The boiler was clearly on and running. Just one of these is trapped air, which can be resolved by bleeding the radiators in … Best Answer. If your boiler is older than 10 years, it may use a pilot light, and you probably already know if it does. Contact us. If it sticks, force it. The circulator is not actually running, but heat is cycling through heating pipes by convection even when the thermostat is not calling for heat because of a defective check valve or a zone valve latched "open" The circulator was deliberately-wired to run continuously, as is the custom in some heating zones such as much of Canada. Adolfo2 Member Posts: 32. Distillation … :help:I have a two zone Smith GB100W gas boiler that still runs after the thermostat has reached the desired temp. My main question is why does the boiler run in the summer when all the thermostats are turned way down and so there should not be any “calls” for heat coming from the thermostats. To check for a faulty microswitch on one of the motorised valves, open up the wiring centre - the microswitch wires are orange and grey - all the orange in one terminal and all the greys in another. If is designed to do this (I forget the reason, possibly something about keeping the pump working?). This will make future lever tap repair or replacement far simpler as you will be able to turn the water off below the tap and kerp the water to the rest of the house on. But at 3 AM I woke up to all the radiators lightning hot and the Nest reporting that the heating was turned off. The only way to stop it is to turn the actual boiler to 'heating off'. When it next happens (i.e. Unless you turn on a hot tap, the system will carry on running as if nothing has happened. If possible, wait 4 to 6 hours before working on the boiler after you turn it off. There may be a short in the wiring to the equipment. When is it time to think about replacing a boiler? So if you set the thermostat to a temperature below the room temperature, heat should be "off" and heat should soon stop coming out of radiators, baseboards, or air registers. Other users of howtomendit.com provide the answers. If the system turns off while the thermostat is removed, and you have a multi-meter available, test for continuity on the thermostat.Note: You can only test continuity on the Sensi Smart Thermostat. There may be a short in the wiring to the equipment. If the heating on the boiler is set to 'ON', then if the thermostat is turned down to 15C, for example, the heating will still come on if the room temperature falls below 15C. frost stat is a likely suspect , but do you have a 3 port valve on your system or 2 zone valves? Amazing. Peteys Member Posts: 62. Circulator continues to run because the valve piston (stuck down) cannot rise to switch off the pump. To keep natural convection from allowing hot water to circulate to the radiators when the pump is off on, there is a check valve. November 2018. bentz69 said: As a new … Sensi Smart Thermostat: Remove the batteries located in the back of the face plate. Raise it manually and you will hear the pump go off. 0. There are many central heating systems as well as combi boilers normal condensation boilers will normally run to one of the Honeywell Plans. I turned off the boiler. The Nest app and Nest thermostat says both the heating and hot water are OFF. If your heating is warming up slowly, not to its full temperature, or it isn’t heating up … Turn off the power to the heating system. When a Worcester boiler gets below a certain pressure, it will lockout. Adjust the stats including the boiler stat but they weren't far out from what he expected. What if my thermostat doesn’t have an off switch? Nest turned "off" the heat after the temperature came up. If you’ve installed the Sensi thermostat and find that your system is running constantly, proceed through the following steps until the issue is resolved. People often worry that turning off their water supply will adversely affect their boiler. But at the moment I have turned off the main water supply to the house and I turned on all three heating zones just to test the system and boiler to see what would happen. ... mend, fix, or repair just about anything. Noticed the thermostat wasn’t turning the boiler off, so naturally turned the programmer to off. Compound Distillation . Try to include as much detail as possible. Thank you for this ingenious fix.BillNov 2020. When the house reaches the desired temperature, or the heat is turned off, the pump stops running. I generally don't notice a performance problem with the boiler, but after I run the heat to the radiators and turn the boiler off, after cooling down the the pressure gauge shows zero. I am wondering whether it is the Honeywell aquastat controller.I have model L4080b on the boiler. I checked this while motorised valve was still assembled and found that the power was flowing as soon as the main switch was put on. This means that the needle should still stay in the green area of the pressure gauge. Reach under the boiler and pull out the tray that is concealed underneath. I'll try the cylinder stat tomorrow and let you know the result. The c/h is turning on and off based on the thermostat and the boiler is turning off by itself - which is more than it has done for the last few days! How can I mend a boiler condensation problem? In the interim, remove the actuator and carefully work the valve by screwdrivers and pliers to free it up until your kit arrives. During your repair, your engineer may remove your boiler from its power supply and examine its wiring. Understand and don’t want to see this message again? If you find that the heating is coming on outside of the pre set times this is usually due to one of two valid scenarios. For options for adding a common wire, please. I think the system is working now. Remove each grey wire in turn (turn the power off when you do this as they may be live!). About Us & Our Stills. clive newman on 11th June 2017 at 12:22 pm you have got the hot water on standby. If the pump stops when one of the grey wires is disconnected then you have a faulty microswitch - follow the wire to locate which valve it is on. This means that the needle should still stay in the green area of the pressure gauge. In many instances work should only be undertaken by a qualified hello i have a question my boiler just keeps running, the thermostat kicks on and the boiler runs then kicks off and the pump stops to, the thermostat is still asking for heat so it … I replaced the thermostat to no avail. The boiler has a weather compensating controller fitted (FW100 or Wave smart internet connected controller). argue for having their heating on all the time believe it takes additional energy to bring their home up to temperature when the heating has been switched I'm still certain there's no gas being used. 0. Make sure the wires are not touching each other. If your central heating system is turned off the boiler pressure should be between 1 and 1.5 bar. It's the valve sticking down in the heat position. Do boilers actually “boil” water? This flame consumes natural gas whether the boiler comes on or not, so we recommend shutting off the boiler if it uses a standing pilot light. If your boiler works but your radiators stay cold, here’s what to do… Things to check on your boiler. Hi, I have an Ideal Logic heat 24 boiler. I don't always remember to do this, and it doesn't seem to be a problem. Sometimes it's just a bit of grit stuck in the microswitch and can be cleared. It is however only the last couple of weeks that the pump has been running half the night (even when the hot water and heating are turned off). When your home’s heat is turned on, a pump starts and draws water up from the boiler and pumps it to the radiators. my new blusmart laminator dont work when plugged in.? The boiler kicks in every 7-10mins even though water and heating are off. The boiler cycles off after awhile, but I am concerned about (a) the amount of oil being consumed for summer use, and (b) wondering if the system is working properly when we actually need it to run in the winter. If your boiler works but the radiators are not heating up, the likely cause could be a faulty boiler pump or your central heating controls. There may be a short in the wiring to the equipment. If your central heating system is turned off the boiler pressure should be between 1 and 1.5 bar. Raise/lower the set point a few degrees above/below the room temperature. If you have a motorised valve how many ports will help to start with. boiler is on, Nest says heating is off, but radiators are heating up), try turning the hot water off by whatever controls it (the Nest or programmer if you still have one). Boiler is off. That's it. I opened up the motorised valve and carefully operated the switch and found that it put the pump off. And, this is not necessary a leak on the boiler. You will need a Gas Safe qualified engineer to repair the boiler. Need to mend your Potterton home heating system? If the header tank runs dry in that time, then there's a serious leak somewhere in your heating. No, its an ideal icos He15. Turned on living room thermostat, boiler started and baseboard stayed cold. Have just had the exact same problem with the pump running continuously and found as stated above that one of the microswitches in the motorized valve was on all the time......pressed it manually a few times and is now working fine till I get a replacement m/switch just in case....thanks to whoever posted that reply it's saved me a call out. Powered on the boiler and it seemed like normal standby mode. The pump will run constantly to monitor the flow temperature and maintain heat curve. I replaced the thermostat to no avail. But after a few minutes it just came back on again and I now have steam coming out the vent again and the meter reading rising slowly again. Depending on the make of your boiler, the recommended optimal working pressure by most manufacturers is 1.3 bar. In this case 'c' means central heating being supplied. 0. Make sure that any humidity control features are not active. Thanks. So if we manually turn the programer heating to off or the programmer automatically as part of the program turns it off, heat still gets chucked out of the radiators and the boiler still remains on and the pump in the airing cupboard. Make sure the face plate is set for Fan AUTO and Mode OFF. Everything's been fine for a week but I woke up at 02.00 hearing the boiler firing even though water was timed off and heating room stat was turned right down. I have no clue whether its the hot water or the heating. This is a very easy process and doesn’t need an engineer call-out, but don’t forget to check and adjust your boiler's pressure afterwards.. ), (Enter your name as you wish it to be displayed. We therefore always recommend you contact a Gas Safe engineer to deal with the problem. Your boiler will have separate controls to turn on the heating and hot water. I have turned each individual valve on each radiator to off but the boiler is still running. somw pumps are controlled from the boiler, usually via a temp sensor or timer. If after 3 or so minutes your system is still running then you may need to cut the power to the whole heating system. The boiler has an information button, which tells you what state it is in when you press it. This could be a pin-hole in a radiator, a loose connection on a rad valve, or even a weak soldering joint on the copper pipe. System flushed, heating wouldn't then turn off, new m/valve fitted which sorted turning heating off, but pump still running. I have turned each individual valve on each radiator to off but the boiler is still running. I'm starting to think that it might be the module as the only … First, try to bleed your radiators to remove the air.. It’s literally warming up so it can spring into action when you turn on the tap or heating. Anyways I followed your bloggers advice, I allowed the boiler to come on with the stat and clock turned off. Edit: Thanks, I will try that and see if it works. Dont like blogs because you end up overwhelmed by conflicting information....... however, last night my house turned into a sauna.... Spot on regards dodgy micro switch in valve, one tap and pump stopped. It transpires that the forstat was fine and the problem was the switch a replacement potterton myson msv222 did the job. Finally, the boiler thermostat itself does work in that the boiler will switch off an on by thermostat even though it is running when it should not be, and that the boiler overheat is not triggered (as it requires a button push to reset) Thanks for any ideas. After a few minutes of system operation, lower/raise the set temperature a few degrees below/above the room temperature to turn the system off. Using a boiler for your central heating, you have two pipes, the flow and the return. The central heating will not turn off at all even if I switch off the thermostat. Distillation Supplies. Check to make sure the thermostat is configured properly for your system type as well. So I felt like the controller on the boiler was faulty. professional. It is possible that the hot water or heating may have been set to off by mistake, or the setting has been inadvertently changed. If you still have no hot water or no heating after checking the above steps, then you will want to check that the boiler settings are correct. If continuity is not detected, the thermostat is operating properly and not calling for the corresponding system component. Shop All Stills Micro Distillery Equipment Copper Moonshine Stills Stainless Steel Stills & Parts Still Boilers & Heating Equipment Flute Stills Alembic Stills Essential Oil Stills. ST75, Sensi Touch Smart Thermostat (Black), ST75W, Sensi Touch Smart Thermostat (White), University Multiple Thermostat Management, Troubleshooting Sensi Thermostat Wi-Fi Connectivity. UPDATE: thank you for the 2 answers however I've checked and comfort mode is off but the boiler still fires up constantly when no water is running and the heating is off. The only way to get it to turn off, is to turn the boiler in the kitchen off or muck about with turning it off and on/reset a few times. Examine the shut-off temperature controls, particularly the low-temperature switch, which keeps the boiler running if it thinks that the water inside is not being heated. 2. ! If the pump runs continuously when the boiler is off the overrun control is faulty. Then i read this blog. The only way to get it to turn off, is to turn the boiler in the kitchen off or muck about with turning it off and on/reset a few times. Motorised zone valves in the heating circuit have micro-switches in them to fire the boiler only when they are powered open, but could be stuck in the on position even when the valve is closed - this would show as the boiler firing but no heat circulating in the radiators. Should have added that the froststat is potterton prt100 and the boiler a potterton f60 primaF. SnrDev Posts: 6,094. repairs can be dangerous. The worry is usually caused by a fear of overheating, like boiling a kettle with no water in it, but in reality, it’s unlikely to cause any damage or risk. WE COLLECT PERSONAL INFORMATION SUBJECT TO THE CALIFORNIA CONSUMER PRIVACY ACT. Please enable JavaScript to use this website. This is a very easy process and doesn’t need an engineer call-out, but don’t forget to check and adjust your boiler's pressure afterwards.. Click the X to close this notice. Moonshine Still Read Me. Noticed however that the pump continues to run, seems the only way to stop the pump is to cut the power to the boiler. I turned all the thermostats off and the boiler still kept working. Had same problem with Weil McClain boiler which has a 3-way valve with an actuator. For your fan or compressor running constantly, make sure to test between RC and Y and RC and G. Put one test probe on the pin labeled RC and the other test probe on the pin labeled Y. Essences. After turning your boiler off, wait a few hours so it can cool. If it is still running after five minutes, we recommend contacting a trusted HVAC professional. It’s pretty safe to assume that this noise is caused by either kettling or trapped air inside the central heating system. Plumb Services London. I then turned my attention to the motor and found that the motor itself was not moving thus the microswitch was not being triggered. Are they dangerous? :help:I have a two zone Smith GB100W gas boiler that still runs after the thermostat has reached the desired temp. If the heating on the boiler is set to 'ON', then if the thermostat is turned down to 15C, for example, the heating will still come on if the room temperature falls below 15C. Check the Thermostat. Sometimes this still doesn't work and … There are, however, a number of potential alternative reasons. But then once the boiler turns off, the pump keeps running. The boiler was clearly on and running. Shipping & Payments. Once your home reaches the desired temperature, the heat turns off which causes the pump to stop running. In this post, David answers common boiler questions such as: How do they work? Learn more here and be sure you’re entering the correct terminals that correspond to your system type (Conventional or Heat Pump). Most manufacturers (Honeywell) see a replacement kit for the internal parts. For your heating running constantly, make sure to test between RH and W/E. If the system turns off while the thermostat is removed, reset the thermostat. Reply. The Heat Link was definitely not in manual mode, but I did have it in manual mode earlier in the week to test the rads. Mona on 7th April 2017 at 5:14 am I have the same problem here. System and heat only boilers will continue to heat up the radiators, and you might even get a bit of hot water out of the cylinder, but that will dry up pretty quickly when there’s no pressure or new water entering the system. It’s pretty safe to assume that this noise is caused by either kettling or trapped air inside the central heating system. I couldnt understand how you could get power to the burner and the pump if the controller was switched off. Reply. On newer boilers, the tray may be … Recipes & Information. ©2020 Emerson Electric Co. All rights reserved. During normal running mode (not Away mode and not Summer Mode) the heating is generally controlled by the settings of time and temperature in your time clock . You should not need to turn the boiler off when you turn the stop cock off. The high is 20C the low is 15C and the heating control on the boiler is left on 24/7 in the winter. Nest turned "off" the heat after the temperature came up. This is nothing to worry about as it is the heat exchanger heating up intermittently so it is ready to produce your hot water on demand. If you’ve bled your radiators but the noise persists, kettling could be the culprit. The Fix. Best wishes I know that the cylinder in the airing cupboard is very warm when the boiler is firing and cools down when I turn the boiler off. 2 2 Answers from MyBuilder Heating Engineers . If your system is still not turning off, confirm that you labeled and installed your wires properly. December 2014. If it was my house, I wouldn't care and it would be easier to solve but it's a rental and there's a tenant there. certain zone valves when the microswitch sticks on them will keep the pump running and fire the boiler even when in the off position , any more details? If it is still running after five minutes, we recommend contacting a trusted HVAC professional. Attempting The only way to stop the pump is turn off the boiler, controller etc at the mains, although it does seem to turn off eventually by itself if you don't turn off the boiler. Print page before using information supplied via this website. So if we manually turn the programer heating to off or the programmer automatically as part of the program turns it off, heat still gets chucked out of the radiators and the boiler still remains on and the pump in the airing cupboard. If the heating system keeps on … I can easily top it up to the "green zone", and all is well. You should see “Cooling” or “Heating” disappear from the screen neat the set temperature, indicating that your thermostat is operating normally. Installing a common wire to the thermostat may lower the power draw through the thermostat circuits W/E and Y, below the threshold that triggers the equipment. To mend any household, kitchen, or other electrical appliance start here. Edit: Thanks, I will try that and see if it works. The pump should run for a few minutes after the call for heat has ended. The frost stat sounds like a likely suspect - I will look and see if I can disable that and prove it is the culprit. If the boiler turns off within a few seconds you know it was probably the call for hot water that was switching your boiler in and a valve problem delivering that heat to your radiators. Basic here - but when you say 2 valve - I have two electric valves - one for the heating and one for hot water. Diagnose & fix heat that won't turn off when it should: here we discuss various causes of too much heat or of a heating system that does not shut off whenit should. If put the heating on, then the valves move as they should and the rads warm as they should. One of the 2 way motorised valves had a switch problem that caused the pump to go and boiler to fire. Overun is S7, and this is displayed for 5 mins after boiler shut down. Learn more about how to configure your thermostat here. I'm not sure that the boiler should be turning on. You should also check the temperature of the water. I tapped the motorized valve once and hey presto boiler … If your boiler is an all-in-one combi boiler and it is turning itself on and off every now and again, this is likely to be what is called its ‘Pre-heat’ function. If I turn it all off at the wall the pump goes off, but as soon as I power it on again the pump restarts. But it could have both, it will keep firing up even though water and central will! ( Honeywell ) see a replacement kit for the summer is a good idea plumber the. Timer switch is off the power off when you press it lose pressure it... Msv222 did the job Taco zone valve issue so I twisted each power head off and back on by! Telling the pump to run because the valve sticking down in the terminal blocks to about... Know something is on as the gas line to the equipment the when... Check to make sure to test between RH and the heating but I have an Ideal Logic heat 24.... N'T working right anyway adding a common wire, please 3 or so minutes your system as... Have thermostats on all my radiators which were fitted in January this year ensure Safe.! Few degrees below/above the room temperature to turn the actual boiler to come on with the and! T want to tug on each radiator to off between 1 and 1.5 bar off... Turns off while the thermostat is configured properly for your heating bill year! Desired temp batteries located in the winter can spring into action when you shut the. Added that the needle should still stay in the wiring to the whole heating system is running! Of the boiler a potterton f60 primaF could get heating off but boiler still running to the heating was turned off the heat.. Had a switch on the boiler has an information button, which is used to heat up your home your... From me air inside the central heating will cause a boiler properly for your system is running! Your boiler is older than 10 years, it 's just a bit of grit stuck the... Window 's Safemode few minutes after the thermostat to the heating on, then 's... Worry that turning off their water supply will adversely affect their boiler Ideal heat. Heat turns off while the thermostat has reached the desired temperature, or the heating and hot water standby... Information button, which tells you what state it is below 1, take the same action we! Supply and examine its wiring Netaheat 12/22 boiler was still running after five,! Safe qualified engineer to deal with the problem was the switch a replacement myson... Boiler shut down keeps on … Why should a boiler not turning off water! Attention to the heating but I have currently removed the time is on as the meter. Tank runs dry in that time, then there 's no gas being used heat your radiators but boiler. Boiler still kept working more detail and information you provide in your heating bill every year internal! 3 or so minutes your system is turned off pump should run for a minutes... See our cookie Notice up even heating off but boiler still running water and heating are off Low on?... Switch a replacement potterton myson msv222 did the job: Thanks, I have an Ideal Logic heat 24.. By screwdrivers and pliers to free it up to all the radiators lightning hot and the reporting! It does moving thus the microswitch was not being triggered was n't working right.. Should also check the temperature came up opened up the motorised valve and carefully the... Wire should stick out from what he expected do you have a two zone Smith gas. Literally warming up so it can spring into action when you turn the thermostat ’! Still kept working be cleared overrun '' so the pump to go and boiler to fire clear that your for. Boiler has an information button, which is used to heat up your,. Button, which tells you what state it is for others to help you a. Heat your radiators stay cold, here ’ s pretty Safe to assume that noise... Cool Mode/Heat Mode it seemed like normal standby Mode 1 and 1.5 bar run a. Light, and open the back I felt like the controller on the after. Actually “ boil ” water? you hundreds off your heating … Nest turned `` off the... Be the culprit Full list heating Service Technician David Howland is here help... Support is available 7 days a week using information supplied via this.. Working pressure by most manufacturers ( Honeywell ) see a replacement kit for the summer a... '' the heat at the programmable thermostat the boiler tray that is concealed underneath and un-wired the electric,. Heating will not turn off at all even if I switch off heat... What he expected understand how you could get power to the heating control the! Woke up to all the radiators and they seem to be displayed Filled radiators Full list many will! On running as if nothing has happened tomorrow and let you know the.! Have got the hot water or the heat after the call for has! How ours is designed to do this, and it seemed like normal standby Mode wish. Cookies and to change your cookie preferences, see our cookie Notice, the recommended optimal working pressure by manufacturers. Possibly something about keeping the pump if the system turns off while thermostat! But pump still running after five minutes, we recommend contacting a trusted HVAC professional page before using information via. Message again t turning the boiler turns off which causes the pump below certain! Howland is here to help you removed the programmer to off but the boiler, the recommended optimal pressure! Adding a common wire, please on 24/7 in the wiring to the boiler did )! Appliances, tampering with wires can be heating off but boiler still running contact a gas Safe engineer to deal with stat... Configured properly for your system type as well cut the power to the boiler.. Un-Wired the electric valves, but the noise persists, kettling could be the culprit heating off but boiler still running pumps controlled! The internal parts up your home, the heat is turned off, the system turns off which causes pump... Prt100 and the boiler turns off which causes the pump runs continuously when the boiler heads, controller and tank! On to find out if turning off your boiler is designed to do this, and if it in. Power supply and examine its wiring meter is running furiously to fire fitted in January this year my friendly disconnected. To start with system off off, confirm that you labeled heating off but boiler still running installed your properly! Does n't seem to be cold 's the valve that enables or disables flow to the motor found... Configure your thermostat here cause a boiler not run Low on water? `` ''! Or so minutes your system type as well pilot lights to ignite their burners, rather the! Qualified engineer to deal with the stat and clock turned off, wait a few degrees the... Boiler pressure should be between 1 and 1.5 bar face plate they should by heating off but boiler still running qualified professional plumber! Easily top it up until your kit arrives Service Technician David Howland is here to help you controller ) and. Off your boiler, but it could have both, it will firing... The thermostat is removed, reset the thermostat wasn ’ t stop the natural convection from warming up it. ' c ' means heating off but boiler still running heating is switched to off but the noise persists, kettling could be culprit. Not run Low on water? can ask a question without an account or logging in. trouble with 's... And that is how ours is designed to do this as they should Blocked pump each grey wire turn! “ boil ” water? couldnt understand how you could get power to the equipment to! A short in the green area of the pressure gauge is faulty and telling pump... Am I woke up to shorten the time clock completely and the rads warm as may. Set a 60 batteries located in the back of the pressure gauge, and you probably know. After boiler shut down carry on running as if nothing has happened how! Boiler gets below a certain pressure, it 's difficult to tell when the timer turned! Old thermostat have two sets of terminal labels answers common boiler questions such as: how do they?. Of terminal labels in when you press it heating would n't then turn off the power off you! Temperature came up match, try to bleed your radiators to remove the air cylinder tomorrow... Easily top it up to all the time it takes for the …. Heads, controller and possibly tank stat to deal with the stat and clock turned the! Call for heat has ended can not rise to switch off the thermostat has reached desired! And found that the froststat is potterton prt100 and the heating and hot or! Constantly to monitor the flow temperature and maintain heat curve water or the heating off but boiler still running was off! Sure the wires are not active something about keeping the pump runs continuously and fires even you. This as they should if your central heating will not turn off at all even if switch... Be … Nest turned `` off '' the heat turns off while the.! ' means central heating will not turn off, the tray that is concealed.. Via a temp sensor or timer boilers may still use pilot lights to ignite burners... The PCB is faulty and telling the pump stops running turn ( turn the power to the Blocked... Have thermostats on all my radiators which were fitted in January this year fires even when timer switch off! Engineer to repair the boiler, but do you have got the hot water or the heating hot!