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Mend Combi Boiler 20

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We have 134 questions about mending 'combi boiler 20'

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Mend Heating, Home Heating Systems

Ravensheat RFF 820/20.DOMESTIC HOT WATER ONLY WORKS WHEN HEATING IS ON?

My combi boiler only supplies hot water to the taps when the Radiator system is switched on. Anyone any ideas... [Read more]
Mend D.I.Y, Plumbing

Hissing and banging?

Potterton Puma 100E combi wall hung, Heating works fine no problem, on hot water start up boiler hisses then b... [Read more]
Mend Heating, Home Heating Systems

water leak below diaphragm?

I have a water leak on the pressure unit below a diaphragm-it appears to come from some small drilled hole Is... [Read more]
Mend Heating, Home Heating Systems

protherm 100e combi boiler?

the central heating is ok, but turn on hot tap and after about 20 seconds boiler stops, and then starts again,... [Read more]
Mend Heating, Home Heating Systems

Ravenheat Fanned Combi RSF 82ET - Flame Failure?

My Ravenheat Combi works fine most of the time but occasionally it locks out with the yellow flame faliure lig... [Read more]
Mend Heating, Home Heating Systems

Hot water problems,boiler will not always ignite?

The boiler only comes on intermittently for hot water, but when the heating is on there is no problem. If ho... [Read more]
Mend Heating, Home Heating Systems

Manual for Combi Boiler Ravenheat RSF 820/20?

We moved into a rented accommodation. It is a Combi Boiler Ravenheat RSF 820/20 installed, but unfortunatly th... [Read more]
Mend Heating, Home Heating Systems

Worcester 240 Boiler wont run shower, yet heating and taps fine?

Every time we turn the shower our Worcester 240 combi boiler either ignites and then cuts off 20 seconds later... [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

why does pressure drop overnight on ariston euro combi sx 20 mffice?

boiler looses pressure overnight to about .4 bar,i top it up to 1.5 bar then boiler ignites, pressure then cli... [Read more]
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

Ravenheat 820 won't re-light for longer than 30 seconds. What should I do?

My Ravenheat RSF 820/20 gas combi boiler will fire up for a short time then it goes out and even the pilot lig... [Read more]
Mend Heating, Home Heating Systems

Trouble shooting guide required for Ravenheat 820/20 combi boiler?

Does anyone have a copy of this user manual/service guide/trouble shooter they could email me. My boiler is... [Read more]
Mend Heating, Home Heating Systems

How do I change a Diaphragm on a 20/80 flowmatic VOKERA combi boiler?

Central heating working ok.Hot water starts to heat up but then runs tepid.So how do I change the Diaphragm.
Mend Heating, Home Heating Systems

How can i change the valve in my Vokera Excell 80SP combi-boiler?

I have a Vokera Excell 80SP combi-boiler in my house. We have it serviced every 6months and about the time we ... [Read more]
Mend Heating, Home Heating Systems

HOW CAN I FIX MY VAILLANT COMBI BOILER?

WHEN TURNING ON HOT WATER THE BOILER FIRES UP THEN AFTER 10-20 SECONDS THE BURNER GOES OUT AND THE RED BURNER ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat 820/20 Combi Boiler Hot Water?

Boiler is fine except when after running a hot bath. Pilot shuts off a minute or so later. Very hot water in ... [Read more]
Mend Heating, Home Heating Systems

How can I stop my boiler from tripping the RCD ?

Came home after successfully booking a stress free fortnight in Fuengirola to find the electricity was off in ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat hot water problem?

Hi I have a ravenheat rsf 20/20 combi boiler, and we can only seem to get hot water out of it when the heating... [Read more]
Mend Bathroom Appliances, Baths and Showers

How can I stop my Ravenheat 820/20 Boiler resetting itself?

I have a Ravenheat 820/20 Combi Boiler, but the control panel keeps resetting itself and has now started turni... [Read more]
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