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We have 463 questions about mending 'central heating valve'

How to mend ... Central Heating Valve

Mend Heating, Home Heating Systems

vaillant combi heater vcw hot water problem?

just started problem where does not fire up when turn on hw tap. sometimes if turn tap off and then turn back ... [Read more]
Mend Bathroom Appliances, Baths and Showers

VailantTurbomax VUW242 E Central Heating Problem?

My Turbomax will, but only on occassion, fire up to send water around the central heating system. Domestic Hot... [Read more]
Mend Heating, Home Heating Systems

baxi 105e combi boiler?

boiler wont modulate when central heating is on causing pressure to exceed 2.5bar, is it the electric safety s... [Read more]
Mend Heating, Home Heating Systems

baxi 105e safety valve opening,too much pressure?

central heating on, pressure increase to over 2.5bar causing relief valve to open,Is the safety electrical swi... [Read more]
Mend Heating, Home Heating Systems

Problem with Vokera 80SP combi boiler?

My Vokera Excell 80SP has developed a fault in which I have no hot water or central heating. The pilot light i... [Read more]
Mend Heating, Home Heating Systems

worcester cdi 24 combi ?

have changed the diverter valve diagphram, have hot water but no central heating ,it fires up pipe from boiler... [Read more]
Mend Heating, Home Heating Systems

how do i repair my Vaillant Turbo Max VUW 242?

can you explain why i cannot get hot water when my central heating is turned off, i know the system has a safe... [Read more]
Mend Heating, Home Heating Systems

Potterton Performa 28 hot water / central heating issue?

I wonder if any of you can help please? For some months now, whenever I run hot water, the central heating com... [Read more]
Mend Heating, Home Heating Systems

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]
Mend Heating, Home Heating Systems

running hot water,no heating?worcester 24i junior boiler?

Boiler fires up no problem for hot running water,but not for central heating.Tried reset button and the divert... [Read more]
Mend Heating, Home Heating Systems

Hot water - no heating?

Boiler fires up no problem for hot running water,but not for central heating.Tried reset button and the divert... [Read more]
Mend Heating, Home Heating Systems

how can i fix my britony 80/100 combi?

my central heating is fine. the hot water fluxuates between hot and cool. there is also a loud groaning noice ... [Read more]
Mend Heating, Home Heating Systems

is it broken mid valve?

put on hot water on but seems to push hot water round the central heating as well but ok when i only have cent... [Read more]
Mend Heating, Home Heating Systems

replacement for Danfoss thermostatic cylinder valve with pump switch?

I have been advised to replace the old Danfoss thermostatic cylinder valve but my old one has an electrical sw... [Read more]
Mend D.I.Y, Plumbing

suprima 30l-100l?

my central heating is constantly on i am an electrician and think the 2 port valve is broken could this be cau... [Read more]
Mend Bathroom Appliances, Baths and Showers

We have no hot water?

I have a vaillant Turbo Max VUW GB 242/1E and the central heating works fine, we have no hot water from the ta... [Read more]
Mend Heating, Home Heating Systems

motorised head valve quick question?

Why would a motorised head valve on our central heating refuse to stay in manual?
Mend Heating, Home Heating Systems

Mid way valve fault??

I currently have hot water but no central heating When I move the 3 way valve to the H position manually the ... [Read more]
Mend Heating, Home Heating Systems

Potterton 50E Neataheat profile - No Central Heating? ?

Potterton 50E Neataheat profile ( conventional heating system)... Hot water is working on demand.. ok C... [Read more]
Mend Heating, Home Heating Systems

have hot water but no central heating. britony plus 60?

fitted new 3 way divert valve {due to leaking} topped system up, 2 bar, hot water ok butno heat in radiators g... [Read more]

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