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We have 1247 questions about mending 'boiler thermostat'

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My Myson Apollo CH boiler pilot keeps going out?

On my Myson Apollo 30/50 when the main burner turns off the unit clicks and the pilots goes out as well this i... [Read more]
Mend Heating, Home Heating Systems

Myson Apollo 50B will not switch off?

Problem started when suppressor blew. Replaced suppressor but boiler then over-heated. Instructions pointed ... [Read more]
Mend Heating, Home Heating Systems

Potterton Netaheat 1-16 MkIIF heats up water but not the heating?

It was working fine yesterday and today I put the hot water on and it fired fine, nice hot water no probs. Bu... [Read more]
Mend Heating, Home Heating Systems

How to use?

I have just moved into this property and i dont have any paper work regarding this thermostat ........and i do... [Read more]
Mend Heating, Home Heating Systems

The main burner on my Potterton Prima C keeps going on and off?

I have a Potterton Prima C combi boiler, the main burner keeps going on and off. It comes on for about 5 secon... [Read more]
Mend Heating, Home Heating Systems

Glowworm space save rf firing up intermittantly?

My boiler has just started having a mind of its own and firing up very intermittamtly, even set to constant tu... [Read more]
Mend Heating, Home Heating Systems

boiler fault ariston a/23 mffi?

Dear all, Could you please advise. My daughter has a Euro combi A/23 MFFI boiler that works for... [Read more]
Mend Heating, Home Heating Systems

i have a lamborghini calorclima boiler which will not keep running?

when the thermostat calls for heat, the boiler will not ignite but will ignite when the button is pushed
Mend Heating, Home Heating Systems

No power to boiler?

Help! I have an Ideal Icos HE24 boiler and last night it decided to stop working. When I checked it this morn... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Baxi Combi 105HE boiler?

The heating has suddenly stopped working today. We have a combi boiler and the hot water still comes on insta... [Read more]
Mend Heating, Home Heating Systems

What's wrong with my Vaillant Ecotec Plus boiler?

When my central heating (but not hot water) is turned on there is a brief ignition of approximately 30 seconds... [Read more]
Mend Heating, Home Heating Systems

Vaillant VCW GB 182E Combi Boiler?

The boiler provides hot water on demand but the central heating will not come on despite the boiler, thermosta... [Read more]
Mend Heating, Home Heating Systems

why does boiler keep ejecting water from c/heating?

halstead boiler combi 82 keeps ejecting water from c/heating when running central heating even when central he... [Read more]
Mend Heating, Home Heating Systems

Vaillant shows more than 50° c?

I have a Vaillant Gas Boiler. A year ago it didn't work and a lot of people tried fixing it. Now it does work,... [Read more]
Mend Heating, Home Heating Systems

Micron 80FF--how to fix?

boiler 7years old. Circuit board, thermistor, Gas valve, thermostat and air pressure switch have been replaced... [Read more]
Mend Heating, Home Heating Systems

Vaillant 824E providing hot water but no heat???

Hi I have a Vaillant Ecomax 824E Boiler which has been working fine until 2 days ago. It's supplying us wi... [Read more]
Mend Heating, Home Heating Systems

Need help with Siemens Programmable Room Thermostat RDJ10RF/SET?

My Siemens Programmable Room Thermostat receiver RDJ10RF/SET keeps switching off for no reason. It sometimes h... [Read more]
Mend Heating, Home Heating Systems

boiler wont ignite,help need a wash?

ideal combi.when heating comes on it ignites,when pre-heat comes on it ignites.but when turn hot water taps on... [Read more]
Mend Heating, Home Heating Systems

My ideal classic boiler is not operating correctly?

From cold the boiler runs for about 7 minutes, then is off for 1 minute, it then run on a continious cycle of ... [Read more]
Mend Heating, Home Heating Systems

Room thermostat fitting to PCB?

I have a Baxi 105e combi boiler. I want to add a wireless room thermostat, I know the receiver plugs in to the... [Read more]

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