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We have 156 questions about mending 'hot heating heat exchanger'

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Mend Heating, Convector Heaters

Ariston combi , heating only when hot tap on?

My arisen combi central heating radiators only work when hot water tap is turned on , why ? Is it heat exchang... [Read more]
Mend Heating, Home Heating Systems

How do i solve a Remeha Avantaplus E7 fault code?

My boiler is approx 6yrs old and has now stopped supplying hot water after an E7 error code. The central heat... [Read more]
Mend Heating, Home Heating Systems

water going hot then cold?

vaillant combi boiler 824/2e ,,heating is fine,hot water red hot then goes cold had new heat exchanger,plus ne... [Read more]
Mend Heating, Home Heating Systems

ravenheat rsf820/20 combi overheating?

the boiler is supplying hot water ok however as soon as the heating is on the heat exchanger boils up & cuts o... [Read more]
Mend Heating, Home Heating Systems

halstead ace high boiler?

Hi after reading some of the posts on this website which were having the same problem as me (boiler playing up... [Read more]
Mend Heating, Home Heating Systems

have a boiler no hot water 28cdi?

worcester boiler 28cdi have central heating working ok hot water will not turn on downstairs bathroom turn wat... [Read more]
Mend Heating, Home Heating Systems

hotwater faults?

my baxi 105e instant combi has got hotwater problem i have changed the diapram of hotwater and heating flashed... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Potterton Perfoma combi 24 boiler?

My potterton Perfoma boiler done not give hott water when the inlet water pressure valve is fully open. But w... [Read more]
Mend Heating, Home Heating Systems

Worcester 28i Junior Combi... Hot water but NO Heating ???

Hi everyone, We have a Worcester 28i Junior Combi which developed a fault this week. We have hot water fine b... [Read more]
Mend Heating, Home Heating Systems

Noisey Worcester 28cdi Boiler?

When running a lot of hot water off the boiler starts to make a pulsing noise; which basically sounds like a t... [Read more]
Mend D.I.Y, Plumbing

Heat Exchanger?

If a heat exchanger is blocked on a combi boiler can this have an effect on the hot water and the heating or i... [Read more]
Mend Heating, Home Heating Systems

Saunier Duval F30E hot water no heating?

As above, in water/heat mode there is no heating! Hot water works fine. Had heat exchanger replaced earlier th... [Read more]
Mend Heating, Home Heating Systems

Glowworm 38 CXI combi hot water disappering and coming back?

I have a 6 year old Glowworm 38 CXI combi boiler which delivering hot water only for the first minute and afte... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch Highflow 400 BF boiler problem?

Hi, my boiler produces hot water on demand OK but refuses to turn off the central heating. Even with both heat... [Read more]
Mend Heating, Home Heating Systems

Hot water problem in my combi boiler?

My combi boiler works fine in central heating mode. When in hot water mode, however, it fires intermitently so... [Read more]
Mend Heating, Home Heating Systems

how can i fix my britony 80/100 combi?

my central heating is fine. the hot water fluxuates between hot and cool. there is also a loud groaning noice ... [Read more]
Mend Heating, Home Heating Systems

cold domestic hot water?

I can get central heating to full level but domestic hot water gets only luke warm. Have fitted new heat excha... [Read more]
Mend Heating, Home Heating Systems

my ravenheat csi 85t boiler, has an internal leak?

My ravenheat csi 85t boiler developed a leak from the condensing heat exchanger, at the pipe washer.This was v... [Read more]
Mend Heating, Home Heating Systems

Glowworm 24CI Hot water problem?

MY system's central heating seems fine but it's having problems with the hot water. The system fires up and s... [Read more]
Mend Heating, Home Heating Systems

my mains 24e baxi potteron make will not light up?

i have mains 24e gas boiler 2 weeks ago i found that hot was not as hot as normally it gives .i called the en... [Read more]
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