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We have 72 questions about mending 'combi switch heat'

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Mend D.I.Y, Plumbing

Central Heating Not Firing Up?

My Ravenheat Combi Boiler is not firing up on the CH - the hot water works fine. I have checked the room stat ... [Read more]
Mend Heating, Home Heating Systems

heating probs?

I have a Chafetaux Britony combi boiler that works fine when you need hot water. The problem sarts when you sw... [Read more]
Mend Heating, Home Heating Systems

Vaillant Combi Boiler - No Central Heating?

Hi, It appears that my boiler is not working correctly. I get hot water through the taps and shower no proble... [Read more]
Mend Heating, Home Heating Systems

How can I make my radiator to generate it?

My radiator does not bring up heat when I put it on recently. The boiler that is controlling both the radiat... [Read more]
Mend Heating, Home Heating Systems

jaguar 24ktvj combi boiler?

when trying to get hot tap water boiler cuts out f3 = heat exchanger blocked . removed pump ,internal casing a... [Read more]
Mend Heating, Home Heating Systems

Boiler keeps switching off Alpha CB24x?

I have an APPHA CB24X COMBI BOILER. My boiler starts working ok, but after a while it switches itself off. and... [Read more]
Mend Heating, Home Heating Systems

Boiler keeps switching off?

I have an APPHA CB24X COMBI BOILER. My boiler starts working ok, but after a while it switches itself off. and... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85 A (T) combi boiler?

While the C.H is on, I turn the hot water tap on, the water runs cold and the boiler turns off. If I switch t... [Read more]
Mend Heating, Home Heating Systems

All the radiators work except one. I have tried a few things but still?

Hi, Hope you guys can help. This winter my radiator in my bedroom doesn't heat it up properly, it is warm a... [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

How do you fit an external switch to a Grundfos 15/50 pump?

How do you fit an external switch to control the variable speed on a Grundfos central heating pump fitted to a... [Read more]
Mend Heating, Home Heating Systems

Baxi combi 105HE boiler fault on the heating side?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]
Mend Heating, Home Heating Systems

Baxi 105HE Heating fault?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]
Mend Heating, Home Heating Systems

combi boilers?

why does my boiler switch on every couple of hours for 30 seconds or so even though heat or hot water has not ... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Potterton Performa 24 combi. boiler?

My Potterton Performa 24 combi. boiler will switch on and fire up, but will not switch off. For example: If i ... [Read more]
Mend D.I.Y, Switches and Sockets

There's no power into the plug socket at my combi boiler (electric)?

There's electricity at the red wire (live wire?) in the consumer box but not at the other end of the wire wher... [Read more]
Mend Heating, Home Heating Systems

vokera 80 sp combi boiler?

when heating is switched off ,on the boiler and the stat is off no hot water taps are open,boiler fires up by ... [Read more]
Mend Heating, Home Heating Systems

Chaffoteaux Britany Combi Boiler?

The gas will not stay on to heat the radiators, however is fine with the hot water. When we switch the heatin... [Read more]
Mend Heating, Home Heating Systems

How can i fix my combi boiler vokera excell 80sp?

I now know that either the pressure differential switch or the fan has ceased to function correctly on my comb... [Read more]
Mend Heating, Oil Filled Radiators

Heat and Water together Problem - Worcester Heatslave Oil Combi?

When I switch the water on, the heating is also coming on at the same even though the heating is switched off... [Read more]
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