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We have 201 questions about mending 'running central heating hot'

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Mend Heating, Home Heating Systems

Potterton EP2000?

-------------------------------------------------------------------------------- Hi, i am desperate for some ... [Read more]
Mend Heating, Home Heating Systems

Any ideas what my problem is???

I have a 10 year old Ravenheat combi boiler (not sure of model, but will add when i get home later). It will o... [Read more]
Mend Heating, Home Heating Systems

potterton combi 80 boiler no heating?

i have a potterton combi 80 boiler i have hot water ( no taps dripping ) but no central-heating but the pump s... [Read more]
Mend Heating, Home Heating Systems

worcester bosch heatslave 20/25 oilfired boiler?

when hot water or central heating are running bar pressure rises over 3 bar and overflow active . when unit l... [Read more]
Mend Heating, Home Heating Systems

ikon-t boiler not heating hot water?

Ever since we had the boiler installed about 2 years ago the central heating has worked fine but the running h... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch Oil Heatslave 20/25 two years old?

Can not get the central heating to work; the water pump does not seem to be running. Hot water fine. Had a lon... [Read more]
Mend Heating, Home Heating Systems

Baxi combi 105E flame on and off problem?

When I turn on the boiler for either hot water or central heating the flame light will come on, the boiler wil... [Read more]
Mend Heating, Home Heating Systems

Phantom starts?

Combi 80 Central heating off, summer use of hot water only. Boiler static,power on, when extract fan starts sh... [Read more]
Mend Heating, Home Heating Systems

Old Vaillant Combi boiler pilot light?

I have an old but until recently perfectly running Vaillant combi boiler, but now everytime we want hot water ... [Read more]
Mend Heating, Home Heating Systems

Worcester 24 combi problem?

When running hot water it appears to be cloudy,Could it be contaminated with central heating water...
Mend Heating, Home Heating Systems

Baxi 80E heating is on constantly even with timer switch in off position?

Central heating pump is constantly running. Boiler lights up intermittently, runs for few seconds, then flame ... [Read more]
Mend Heating, Home Heating Systems

Baxi combi 80Eco heats radiators when selector switch on water only?

Baxi combi 80Eco boiler heats radiators when selector switch is on both central heating and domestic hot water... [Read more]
Mend Heating, Home Heating Systems

How Do I Rid Hot Water Brown Colour ?

I have a Myson Midas BF Combi Boiler. Early model ? This model has two pumps with electromechanical timer. One... [Read more]
Mend Heating, Home Heating Systems

vokera excel 80 sp hot water running into radiators?

when run hot water ,it is running into the heating system ,even if i turn the central heating off. Vokera engi... [Read more]
Mend Heating, Home Heating Systems

No DHW from Alpha 240E?

I have an Alpha 240E Combi boiler which works great when central heating is on but DHW does not get hot when c... [Read more]
Mend Heating, Home Heating Systems

Got Ravenheat RSF 820/20 central heating ok but water is running cold?

Central heating is working fine but when turn hot tap on full, water runs cold (if leave it running as a trick... [Read more]
Mend Heating, Home Heating Systems

Which Way to Jump?

CENTRAL HEATING CALAMITY It may sound a bit dramatic, but I have a real problem and would welcome any help ... [Read more]
Mend Heating, Home Heating Systems

my gas central heating radiators are not warming up?

I have a gas back boiler system(indirect system, I think). It was running OK even during the summer and early... [Read more]
Mend Heating, Home Heating Systems

What is wrong with my Ferroli Modena 102?

The central heating system is working okay. However, the hot water from the shower is fluctuating from hot to ... [Read more]
Mend Heating, Home Heating Systems

How do I get my boiler to cut off ?

I have a valliant combi boiler VCW GB 242, the hot water doesn't cut out any more but continues running even a... [Read more]
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