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We have 1247 questions about mending 'boiler thermostat'

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Mend Heating, Home Heating Systems

Ideal Concorde thermostat problem?

I have a very big, very old Ideal Concorde 2a boiler (it runs 21 radiators!) Problem is it is too good! The ... [Read more]
Mend Heating, Home Heating Systems

Sime Superior 50 heating not working?

We have a Sime Superior 50 boiler which lights up every now and then. The Pilot is alight. Fan seems to be w... [Read more]
Mend Heating, Home Heating Systems

boiler not staying alight for long when hot water switched on?

when the hot water is switched on the boiler lights ok but only stays on for short period of time. water does ... [Read more]
Mend Heating, Home Heating Systems

Potterton boiler fan constantly on and intermittent ignition?

My venerable old Potterton netaheat 10/16 mk2 has started acting strangely. Whenever the boiler is set to be o... [Read more]
Mend Heating, Home Heating Systems

Worcester 350 Combi Plate heat Exchanger - Is engineers diagnosis correct ?

We have a Worcester 350 Combi and recently when we have been running the hot water the system has been overhea... [Read more]
Mend Heating, Home Heating Systems

How to fix a biasi 24s combination boiler?

Biasi 24 s combi boiler. The problem is the central heating comes on randomly even though the thermostat for h... [Read more]
Mend Heating, Home Heating Systems

How can Ifix my Vokera 12-48 RSE Mynute Combi boiler?

When the power is switched on with the thermostat calling for heat, the fan immediately comes on but the boile... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave 9.24 RSF Safety Valve Blowing?

The safety valve is blowing out when I attempt to use my combination boiler. The overheat thermostat is also t... [Read more]
Mend Heating, Home Heating Systems

how to fix combi boiler?

i have a halstead ace combi boiler, heating works perfect, thermostat fine, but hot water runs hot then goes c... [Read more]
Mend Heating, Home Heating Systems

Vokera Linea 24 - radiators over hot?

I have a Vokera Linea 24 boiler and when the heating thermostat is turned down to it's lowest the radiatiors a... [Read more]
Mend Heating, Home Heating Systems

potterton kingfisher 80 runs very hot and bangs?

my boiler runs very hot and bangs very loudly after its been running a while and the boiler thermostat doesnt ... [Read more]
Mend Heating, Home Heating Systems

What is causing my boiler to randomly operate the central heating?

My boiler, a Potterton Puma 80e, works fine on the hot water cycle, but randomly operates the central heating.... [Read more]
Mend Heating, Home Heating Systems

My boiler is heating the hot water but not the radiators?

I have a Glow-worm conventional boiler but at the moment the boiler is heating the hot water but not the centr... [Read more]
Mend Heating, Home Heating Systems

How can i make my vokera receiver recognize the RF unit room thermostat?

I have a vokera boiler and wireless room thermostat. All was working well until 2 days ago. Changed batteries ... [Read more]
Mend Heating, Home Heating Systems

boiler works5 mins?

boiler lights and runs for about 5 mins and closes down. It does not heat the water or heating could this have... [Read more]
Mend Heating, Home Heating Systems

Ferroli modena 80e 80 e HELP AGAIN !!!!!!?

ok, eventually i got fed up and called out british gas, fixed charge call out they replaced my gas valve (got... [Read more]
Mend Heating, Home Heating Systems

Can I fit a room thermostat to my Sime Super 90 boiler?

This boiler works well but is a nuisance to control the living room temperature by using the boiler heat contr... [Read more]
Mend Heating, Home Heating Systems

Problem with my Potterton Profile 60e?

My 60e tries to come on and it sounds like the burners are about to fire up but they don't. the boiler switche... [Read more]
Mend Heating, Home Heating Systems

Central Heating Control?

Every ten days or so the central heating system ignores the programming set into the clpock programme. It rem... [Read more]
Mend Heating, Home Heating Systems

Combi BOILER is not worming up hot?

Vokera Excell 80SP CombI Boiler works okay but fire up for about 15 min. then shuts off about 3 min, therfore ... [Read more]
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