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We have 1487 questions about mending 'boiler cold hot'

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Mend baxi problem boiler works fine

Baxi Bahama 100 - Hot water problem?

Hi there to anyone who can possibly help me with the above problem. The boiler works fine for central heati... [Read more]
Mend hot water taps radiators

How can i fix my Boiler. Ocean Alpha 240P?

When i run the hot water taps or have a shower all the radiators start to get warm as well and the water tempe... [Read more]
Mend pressure central heating

High pressure on my Optima Ferolli 901 central heating?

Hi, I have a Ferroli optima 901 . I had problms with the DHW and foolishly adjusted this on the mod gas valve... [Read more]
Mend problems ravenheat combi

Problems with Ravenheat Combi RSF Fanned?

Boiler has no markings on, but have manual that says... Fanned Combi RSF 84E - RSF 100E RSF 84ET - RSF ... [Read more]
Mend dhw boiler works

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]
Mend combi hot temperature

FER (Ferroli) combi boiler.sre no 0126L8129?

C/H working ok. Hot water temperature is not regulating and gets dangerously hot. Termister is clean and che... [Read more]
Mend combi appear fine

Should my combi boiler come on when the cold tap is used..??

I have recently had a Glowworm combi (30cxi) installed - everything appear to be working fine, but I have noti... [Read more]
Mend advice water heating central

Advice desperately needed: no hot water or heating?

I am a new house owner and are having issues with the central heating and hot water. As of sunday, it went off... [Read more]
Mend baxi 105e problem

Lukewarm radiators and fluctuating water temperature?

I have a Baxi 105e combi boiler. The problem started about 2 months ago. The boiler fires up as normal, but th... [Read more]
Mend boiler constant hot water

how can I fix my biasi boiler - model M90E.245?

The boiler goes on and off and doesnt provide constant hot water (so showers turn from hot to cold very quickl... [Read more]
Mend start cold boiler

Central heating won't start up on Sime Formula 80?

From a cold start my Sime Formula 80 will not start the central heating. The boiler will fire up for a few sec... [Read more]
Mend 24 water problem comes

my potterton performa 24 the hot water has problem - it comes hot and the?

the hot water comes hot and then cold, hot, cold, hot. Is heat exchanger or diaphragm or do i need to power... [Read more]
Mend glow boiler problem

how can i fix my glow worm 30 cxi?

Hi, I have a glow worm 30cxi boiler and have a problem that hopefully someone can help with. The problem... [Read more]
Mend increase pressure combi boiler

how can i increase the pressure on my dhw from combi boiler?

Hi I live in a masonette on the upper floor. The council made us change our boiler to a combi one. But since w... [Read more]
Mend hot problem 28i junior

how can i fix a hot water problem with my worcester 28i junior?

the pressure to my hot water at my sink is nearly non exsistant and is not calling for hot water from the boil... [Read more]
Mend worcester combi 28 cdi

how can I fix my Worcester combi 28 cdi?

when turning the hot tap water on,the water stay cold,the boiler doesn't seems to light on,they is no spark on... [Read more]
Mend fault hot stays

Vailant Ecotec Plus fault code?

My boiler is coming up with the code of F64. I run the hot water, it stays hot for a minute, then goes cold as... [Read more]
Mend puma 80 boiler

How can i fix my Potterton Puma 80 combination boiler?

When I turn on the hot water tap at the sink, the boiler fires up but shuts off after 5 seconds. It does the s... [Read more]
Mend cutting hot cold

How to stop my boiler from cutting out?

I boiler keeps cutting out every time I turn -on the hot water and cold water too fast. It starts back up afte... [Read more]
Mend cold boiler fine

shower water is getting hot and cold, what is wrong with it?

the Boiler is working fine in kichen. but in bathroom, shower water is getting hot and cold half minute in tur... [Read more]

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