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We have 872 questions about mending 'heating valve boiler'

How to mend ... Heating Valve Boiler

Mend Heating, Home Heating Systems

ravenheat csi 85?

hi I need help with my boiler. When i run the hot water the boiler lights normal but the high flame on the b... [Read more]
Mend Heating, Home Heating Systems

no hot water evrything fires up?

Hi need help. Iv`e got a sime super90 I fitted a new diverter valve and micro switch about 8 months ago. Ever... [Read more]
Mend Heating, Home Heating Systems

GlowWorm Ultracom 30cxi boiler high pressure ?

I have a GlowWorm Ultracom 30cxi boiler, fitted 2 years ago. Recently had a problem whereby the pressure bar ... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Worcester Danesmoor 12/14 boiler?

When I just have my water on without heating, all my radiators get hot. This never used to happen. I have had... [Read more]
Mend Heating, Home Heating Systems

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]
Mend Heating, Home Heating Systems

i cant get my mynute 16 e to ignite?

ive changed the fuse, the boiler is still kicking in, the rads are all up full and it still wont ignite, howev... [Read more]
Mend Heating, Home Heating Systems

c h boiler heats HW supply only,no central heating?

My system is a fully pumped central heating installation, with room & cylinder thermostat. Could the motorise... [Read more]
Mend Heating, Home Heating Systems

My Baxi solo 3 PFL boiler will not fire up when on central heating only ?

My Baxi solo 3 will not fire up when set to central heating only. Will fire up when set to hot water only and ... [Read more]
Mend Heating, Home Heating Systems

how can i fix ravenheat LS100 combi boiler?

my Ravenheat combi LS100 would not give hot water without turning the heating on. we put up with this until th... [Read more]
Mend Heating, Home Heating Systems

baxi solo vent valve?

The system is gurgling because of air in the system with central heating off. I think that the auto vent on th... [Read more]
Mend Heating, Home Heating Systems

Valillant Boiler VCW GB 242E ?

Keeps loosing pressure when pressurised to1.5 bar ,hot water work fine,but heating side. I have replaced new p... [Read more]
Mend Heating, Home Heating Systems

cannot control hot water vaillant ecoTEC plus 624?

We have a three year old ECOtek plus 624 that has been fine until now. We have just installed a new show with ... [Read more]
Mend Heating, Home Heating Systems

Halstead ace high boiler, ch not working?

my central heating is not working but the hot water is fine, think it may be the diverter valve but not sure
Mend Heating, Home Heating Systems

Pump runs when boiler satisfied?

I recently moved my central heating pump so as to give me heating for my towel rail off the primary circuit. A... [Read more]
Mend Heating, Home Heating Systems

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]
Mend Heating, Home Heating Systems

blowdown running constantly?

the pressure relief valve on my combi boiler runs every time a hot tap is opened or the central heating is run... [Read more]
Mend Heating, Home Heating Systems

saunierduval f23e boiler pressure needle rises to red marking 4bars?

I have a f23e sanier duval boiler.The pressure gauge rises to 4 when we put the heating on and then water star... [Read more]
Mend Heating, Home Heating Systems

How to repair sticking gas value Heatline Vizo 24?

I am getting a flashing LED to advise gas failure. No hot water or central heating. The boiler starts to fi... [Read more]
Mend Heating, Home Heating Systems

how can i fix my water leak on my vokera linea 24 combi boiler ?

when the heating or hot water is on i have a water drip coming from the diverter valve cover,it is not the gas... [Read more]
Mend Heating, Home Heating Systems

alpha 280e problem?

hello guys . this boiler has started screaming when the heating fires up ,and when hot tap ran . took cover of... [Read more]

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