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We have 923 questions about mending 'combi central heating'

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Mend Heating, Home Heating Systems

How can I fix my 3way diverter f valve on my Ravenheat combi boiler?

Since taking the 3way valve off my combi boiler to change the diaphragm the domestic hotwater is not switching... [Read more]
Mend Heating, Home Heating Systems

how can i fix my worcester 24cdi boiler?

the digistat which is less than twelve months old has stopped working and recently the shower which runs throu... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Lexicon e.l.m leblanc Combi Boiler?

I'm getting central heating ok, but no hot water! Help! ;)
Mend Heating, Home Heating Systems

How to fix my Combi Boiler?

We have a brand new combi boiler. Recently, we have noticed that when I take a bath, and the central heating i... [Read more]
Mend Heating, Home Heating Systems

vaillant combi?

i have a vaillant combi that will give me central heating fine but when i want hot water will not fire up ... [Read more]
Mend Heating, Home Heating Systems

what wrong with combi boiler?

I have breath all cenral heating in my house so heating can be flow fully inside the rediator, after that the ... [Read more]
Mend Heating, Home Heating Systems

i need help to get hot water without central heating on?

i can only get hot water when i put the central heating on otherwise no hot water...can someone please advise ... [Read more]
Mend Heating, Home Heating Systems

How do I increase the water pressure in the Central Heating Circuit?

We have a Britony Combi SE Combination boiler from Chaffoteux and Maury. 2 lights are flashing, which means lo... [Read more]
Mend Heating, Home Heating Systems

ravenheat 820/20 combi boiler ?

When I run the hot water tap, the water is cold, the pilot light doesn't start up, but when I put the central ... [Read more]
Mend Heating, Home Heating Systems

low water temp from combi boiler?

Could anyone let me know what may be the problem. My combi boiler works perfectly on the central heating side... [Read more]
Mend Heating, Home Heating Systems

potterton puma 80 combi boiler?

boiler on but will not heat water or central heating - when switch tap on starts heating water and then starts... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Potterton Puma 80?

My combi boiler has broken down, After lighting the pilot the system fires up and hot water is produced for ab... [Read more]
Mend Heating, Home Heating Systems

how can i change water filter on saunier duval?

My central heating works but i have no hot water, this is a combi boiler and have been told that i need to ch... [Read more]
Mend Heating, Home Heating Systems

how can I fix my baxi bahama 100 combi boiler??

It will ignite and run on both hot water and central heating but only for 15 seconds then shuts down,PLEASE HE... [Read more]
Mend Heating, Home Heating Systems

how can i refill my central heating system?

i have a woster 230 combi boiler and i can't find the loop to refill it is there a other way to fill it.
Mend Heating, Home Heating Systems

Why does the hot water on my Ravenheat boiler sometimes come out cool?

A Ravenheat 820/20 combi boiler, had diverter valve diaphragm replaced last year as it had perished, now occas... [Read more]
Mend Heating, Home Heating Systems

hot water on Sime 80E Combi boiler?

what is likely problem with Sime 80E Combi boiler only giving hot water if room thermostat is calling for hea... [Read more]
Mend Heating, Home Heating Systems

why wont central heating work?

i have a potterton puma 80 combi boiler and the hot water is working but the central heating is not. When i t... [Read more]
Mend Heating, Home Heating Systems

Intermittent hot water one SIME combi boiler?

I have a sime combi boiler, sorry, I dont know where to find the model number, but the heating (radiators) are... [Read more]
Mend Heating, Home Heating Systems

how can I fix my central heating boiler?

I have a Ferolli 77CF combi bolier 1993. If we turn on the hot water we have to continually hold down the pilo... [Read more]
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