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We have 709 questions about mending 'combi boiler working'

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my linea vokera combi boiler is working the radiators but the hot water tap?

my linea vokera combi boiler is working the radiators but the hot water tap keeps going hot the cold help
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 fix sime friendly combi boiler?

i have a sime friendly combi boiler (sorry, dont know model number). the central heating is working fine, the ... [Read more]
Mend Heating, Home Heating Systems

How do I re-pressurise my Worcester 240 Combi RSF boiler?

The Pressure on my Worcester 240 Combi RSF is currently at 0.5 bar after removing one radiator to decorate. T... [Read more]
Mend Heating, Home Heating Systems

My CH boiler keeps blowing out when its windy outside!?

Hi, I hope someone can help me with this one. I have an old Baxi Wm 381 RS CH boiler in a house we just moved ... [Read more]
Mend Heating, Home Heating Systems

how to fix vokera excell 80 sp?

my vokera excell 80 sp combi boiler causes the water to run hot then cold in roughly minute intervals. the cen... [Read more]
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

Ariston genus combi boiler?

My ariston boiler does not supply on demand domestic hot water, had it working a few times but then fails,the ... [Read more]
Mend Heating, Home Heating Systems

sime friendly format 80E red light is on no hot water?

the combi boiler was working perfect some body came to check for a electric leakage in an other part of the ho... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optima 901 Boiler?

Ferroli Combi Boiler Optima 901? Niggling fault which seems to be getting worse. If the boiler is not used... [Read more]
Mend Heating, Home Heating Systems

Ferroli Combi Boiler Optima 901?

Niggling fault which seems to be getting worse. If the boiler is not used, i.e you have not run hot water for... [Read more]
Mend Heating, Home Heating Systems

central heating ok but no hot water most of the time?

I have an alpha CB28 combi boiler, central heating working fine. Hot water only heats for about a minute after... [Read more]
Mend Heating, Home Heating Systems

sime combi boiler stopped workng?

overnight my sime combi boiler has stopped working ..thermastat showing error 69 the only change on boiler it... [Read more]
Mend Heating, Home Heating Systems

glowworm combi boiler?

Hi - My glowworm combi boiler has stopped working. The pressure light is flashing and the pressure needle has... [Read more]
Mend Heating, Home Heating Systems

How can I fix valiant combi boiler - no hot water?

My valiant combi boiler is working for central heating but there is no hot water even though the temp is set t... [Read more]
Mend Heating, Home Heating Systems

worcester 230 pilot light lights but nothing else?

i have a worcester bosch 230 rsf combi boiler. when a demand is created (ch or hw) pilot light ignites and sta... [Read more]
Mend Heating, Home Heating Systems

no hot water with my combi boiler?

there is no hot water with my combi boiler, but the central heating is working ok. why is that.
Mend Heating, Home Heating Systems

how can i fix my combi boiler?

can anyone help me find the fault on my potterton puma 100e combi boiler when switching the central heating on... [Read more]
Mend Heating, Home Heating Systems

NO central heating from combi boiler?

Hi hope someone can help, my combination boiler Ideal stelrad/Sprint will not stay fired up when selecting cen... [Read more]
Mend Bathroom Appliances, Baths and Showers

Hot water tap for the bath not working properly?

Hi Guys, Hoping someone can give me some sensible advice. I've got a combi boiler(Valliant TurboMax), and i... [Read more]
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