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We have 169 questions about mending 'wrong combi boiler'

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Mend Heating, Home Heating Systems

How do I stop my Glow-worm Combi-Boiler overflow from emptying the system?

There is something wrong with the overflow mechanism on my boiler. The central heating water pressure shows 0 ... [Read more]
Mend Heating, Home Heating Systems

Combi Boiler - Heating but no hot water (Vokera Excell 80 SP)?

Hi, The above boiler was fitted in my house when I moved in. The problem was that the hot water temperature... [Read more]
Mend Heating, Home Heating Systems

How can i find out what is wrong and fix my ferroli combi boiler??

hi everyone! i have recently had a problem with my boiler at home, with it been winter its cold and my heat... [Read more]
Mend Heating, Home Heating Systems

Poor hot water flow rate on my Vokera Linea Plus combi boiler?

Hi I would be grateful if anyone could advise what might be wrong with my Vokera Linea Plus Combi boiler. T... [Read more]
Mend Heating, Home Heating Systems

Ravenheat RSF84ET combi boiler, what's wrong with it??

Hi, no heating or h.w. Corgi plumber replaced 'gasvalve pcb' and 'main pcb' yesterday, got it working, but it ... [Read more]
Mend Heating, Home Heating Systems

Worcester 9.24 Electronic RSF D.H.W. problem?

Hi. My Combi boiler (Worcester 9.24 Electronic RSF) has developed a problem with the hot domestic hot water s... [Read more]
Mend Heating, Home Heating Systems

what is wrong with my baxi 105e boiler?

I have a Baxi 105e combi boiler which was installed just over 3 years ago. During the summer period the switc... [Read more]
Mend Heating, Home Heating Systems

I have a Baxi combi 105e delivering no hot water?

The system and boiler is just over 2 years old, I had no problems with heating or domestic water supply the fi... [Read more]
Mend Heating, Home Heating Systems

Emergency shutoff won't reset on Glow-worm Betacom 30?

The emergency shutoff light on my Glowworm Betacom 30 combi boiler has come on and will not allow me to reset ... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosh Boiler keeps loosing pressure and leaking?

Worcester Bosh Combi Boiler - My boiler keeps loosing pressure which i top up regulary (it drops from 1 to nil... [Read more]
Mend Heating, Home Heating Systems

No hot water when tap is run when the heating is off?

what is wrong with my Sime combi boiler, as there is no hot water coming through when the heating is off, but ... [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

worcester 24cdi rsf combi?

my pressure keeps dropping to 0 on the gauge. i refill it to one and a half bar but after about a week it goes... [Read more]
Mend Heating, Home Heating Systems

Ravensheat RSF 100ET - No Hot Water?

I have a Ravensheat RSF 100ET Combi-Bolier. The combi-boiler manages to heat up the radiators fine, but recent... [Read more]
Mend Heating, Home Heating Systems

Ariston Combi 23 MFFI boiler increase pressure and water leaking problem?

My Ariston Combi 23 MFFi boiler pressure cage is constantly increasing to the Max and water trickling through ... [Read more]
Mend Heating, Home Heating Systems

what could be wrong?

my combi boiler wont work it is a potterton gas combi and the light for a problem with the flue is on
Mend Heating, Home Heating Systems

My Arston Combi only works when the heating is not on?

My Ariston Euro Combi boiler A/23 MFFI will only get hot water when the heating is not on and also turning the... [Read more]
Mend Heating, Home Heating Systems

What is wrong with my ferroli modena 102 combi boiler?

Can you help me to find out what is wrong with my boiler it fires up then a few seconds later it shuts back do... [Read more]
Mend Heating, Home Heating Systems

What's wrong with my Saunier Duval combi boiler and how can it be fixed?

Not getting any hot water or central heating or water pressure reading from Saunier Duval combi boiler
Mend Heating, Home Heating Systems

gas valve trips out ?

Hi I’ve got a Glowworm swift flow 80 gas combi boiler, The pilot light went out, installed a new thermocoupl... [Read more]
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