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We have 872 questions about mending 'heating valve boiler'

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Mend Heating, Home Heating Systems

Baxi Combi Instant 105e hot water works but no heating?!?

Hi I have a Baxi Combi Instant 105e. The hot water preheat function works, and so does the normal hot wa... [Read more]
Mend Heating, Home Heating Systems

Worcester oil boiler lock out?

only locks out when the heating in on works fine on hot water. changed the 3 way activator valve . still the s... [Read more]
Mend D.I.Y, Plumbing

Leak on the pipe leading to the main heating unit?

I have had various problems with my boiler (Vaillant Turbomax) of late and the current one is a leak that has ... [Read more]
Mend Heating, Home Heating Systems

Only get hot water when heating is on with Vaillant Combi boiler?

I am unable to get hot water when switch is set to domestic hot water. However I am able to get hot water whe... [Read more]
Mend Heating, Home Heating Systems

What is my problem, Worcester Bosch Grenstar25si/30si?

The pressure has become unstable on my combi greenstar. Just about holds up when heating on. If I isolate the ... [Read more]
Mend Heating, Home Heating Systems

my ecomax boiler requires constant filling up as the ber dial keeps droppin?

my ecomax boiler requires constant filling and when i fill it up and start heating it works fine but when i st... [Read more]
Mend D.I.Y, Plumbing

Glow-worm compact electronic?

central heating side of boiler works fine but we have to run the hot tap for a very long time and then you mi... [Read more]
Mend Heating, Home Heating Systems

sime super 90 gas valve buzzing?

have a sime super 90 boiler which when cental heating turned on blue solenoid on gas valve just buzzes and get... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 28 si II indicator fault light?

My Worcester bosh boiler for some time now has been losing pressure and letting out water from the release val... [Read more]
Mend Heating, Home Heating Systems

Potterton Netaheat 10-16 MK11 No heating or hot water?

The pilot lights the fan is running, the pump is running, but the hot water and heating is not getting hot or ... [Read more]
Mend Heating, Home Heating Systems

How can I fix:?

Vokera Linea 24 combi boiler. Boiler starts up fine. Water heating fine, although preasure does gradually dr... [Read more]
Mend Heating, Home Heating Systems

My Baxi solo 50/4 boiler doesn't heat up, but pilot light is on?

My Baxi Solo 50/4 central heating boiler won't fire up. When I manually turn on the heating, (or when it switc... [Read more]
Mend D.I.Y, Plumbing

beeding underground heating?

i have a car wash with weben jarco 2000...this summer had circuating pump repaired. today i turn boiler on and... [Read more]
Mend Heating, Home Heating Systems

how do i change heating flow valve vokera linea?

boiler will not re charge
Mend D.I.Y, Plumbing

i think my pipe to the expansion vessel is blocked?

i have an icon 23t. the heating comes on the pressure rises to about 3 bar releasing all the water out of the... [Read more]
Mend Heating, Home Heating Systems

i have a faulty boiler can you help?

ferroli optimax 31he. hot water ok but heating comes on and only stays on for only 8 mins. have renewed divert... [Read more]
Mend Heating, Home Heating Systems

pressure problems with worcester 24cdi?

The pressure relief valve keeps dripping, as a result the pressure drops. Also the pressure goes from 1.5bar t... [Read more]
Mend Heating, Home Heating Systems

Ariston micro genus HE heating failure - help?

My boiler is heating water fine, but I am getting no hearing. There are no warning messages so all looks well... [Read more]
Mend Heating, Home Heating Systems

how can i fix my boiler?

i have a ferroli optima 901 boiler i changed the pressure vessel as my heating engineer said that was the prob... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosh Boiler 24/28 si II?

I have a Worcester Bosh boiler that keeps losing pressure from what I believe to be the pressure release valve... [Read more]

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