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We have 191 questions about mending 'problem thermostat boiler' in category Heating, Home Heating Systems which have been answered

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To BG MIKE or anyone !! (re. [2] burner and pilot light)?

From cold this morning, the boiler ran for a good half an hour, BUT with the thermostat on the very lowest set... [Read more]
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how can i fix my apolo 15/30?

someone switched off the boiler at the main switch instead of via the thermostat and timer.although the pilot ... [Read more]
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Central heating problem - can you please help?

Just back from a weeks holiday, switched heating on but it's not working, water was left to come on for an hou... [Read more]
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Potterton Metaheat - CH radiators work only when HW is on?

I have a Potterton Metaheat. It is controlled by a Potteron EP2000 type controller with a thermostat in the li... [Read more]
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Euro combi - Red light keeps coming on and cutting off boiler?

I have a Euro combi boiler and the red light keeps coming on and cutting off when in central heating mode and ... [Read more]
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Potterton Ultra 2 BOiler problem?

My boiler and pump starts and runs for several minutes, or longer. Then it stops and goes into lockout. If I t... [Read more]
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How can I find out what is the problem with my Potterton Profile 80E ?

My boiler does not react to my thermostat control box or the room thermostat. The heating will turn back on ag... [Read more]
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L E flashing on my baxi 130 he boiler?

Please help me I was told to replace the black safety thermostat which I have done and also the fan protector ... [Read more]
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Netaheat 80E goes on/off?

I have a Potterton Netaheat 80E. As far as I understand the beast it is a gravity system and has been serviced... [Read more]
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Hot water problems with Ariston Eurocombi boiler?

In short, my boiler will only provide hot water whilst the heating is on, the rest of the time it is either lu... [Read more]
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hot water on Sime 80E Combi boiler?

what is likely problem with Sime 80E Combi boiler only giving hot water if room thermostat is calling for hea... [Read more]
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My Potterton Profile keeps going out - Please help?

Help with Potterton Prima Profile? Hi I wonder if you can help. I have the above boiler which until recentl... [Read more]
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Why does my Potterton Profile Boiler not fire up?

I hope some one out there can help me to diagnose the problem with my Potterton Profile which will not light.... [Read more]
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Glow-worm 60 FF will not switch heating off?

I have a glow worm 60 FF with a intermittent fault that results in my heating staying on all night. I have a... [Read more]
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Sime friendly format 80E?

Myboiler when in central heating mode will heat the radiators until the set temp is reached then trip out as i... [Read more]
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hot water is okay but no heating?

We have an ideal mexico boiler. The hot water is fine, but when I turn the room thermostat up for the central... [Read more]
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Potterton Netaheat 10-16 Mk 1 boiler fan problem ?

I have a Potterton Netaheat 10-16 Mk 1 boiler. It has recently started having problems firing up. These are ... [Read more]
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Problem with netaheat profile 30e?

Hello, I have the above combi boiler and my problem is this. On the Honeywell control panel I can select the... [Read more]
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How can I fix Glow-worm Micron 60FF?

I have this for more than 3 years and it has been working fine with CH and HW, until a couple of months ago. ... [Read more]
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How do i stop my boiler being noisy?

I have Baxi solo 50RS boiler which I have had trouble with for some time. My heating system was new when the h... [Read more]
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