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We have 463 questions about mending 'central heating valve'

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Mend Heating, Home Heating Systems

Potterton perfoma30 HE Central Heating Cutting out?

New heat exchanger and divertor valve due to heat exchanger blocked. Now CH only cutting out, hot water is ok... [Read more]
Mend Heating, Home Heating Systems

Selector valve?

I have a Serwowarm Elite 50 boiler and I'm trying to get hold of a Selector valve for the Hot water/ central h... [Read more]
Mend Heating, Home Heating Systems

Ferolli optimax He31 c d1 fault code?

Hi there. I am showing d1 on the display of my ferolli optiamax 31c he boiler. I have hot water (which is now... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Vaillant Ecotec Plus 428 boiler problem?

When the outside temperature is very cold, and the boiler fires up to heat domestic water and/or the central h... [Read more]
Mend D.I.Y, Plumbing

hot water?

Linea 24 combi,central heating up ok,water is warm then cold when i run the bath and boiler cuts out water is ... [Read more]
Mend Heating, Home Heating Systems

potterton ep20001 programmer wont light hw?

my programmer will not light up the HW side of the display after a power out. If I select hw it switches the c... [Read more]
Mend D.I.Y, Plumbing

How do I fix Sar radiator valve?

OUr bedroom radiator is stone cold. It has a small plastic cap on the valve which you turn to increase or lowe... [Read more]
Mend Heating, Home Heating Systems

sime format 80b ?

rattle from pump when central heating on sounds like air trapped in pump changed automatic ai... [Read more]
Mend Heating, Home Heating Systems

Bosch Worcester CD24i not delivering hot water properly?

When hot tap turned on water demand light comes on and burner ignites, water begins to get warm. Then after ab... [Read more]
Mend Heating, Home Heating Systems

Burner on Sime Friendly Format 80E switches off?

Hi and help. My friendly format 80E is not so friendly, The burner in central heating mode will just switch o... [Read more]
Mend Heating, Home Heating Systems

Problem with installing Drayton MA1 Valve & Actuator?

Hi everyone, I swapped out a failed switchmaster acutuator, and replaced it with a Drayton MA1 and wired it us... [Read more]
Mend Heating, Home Heating Systems

why have i no hot water?

When i turn the hot water tap on the water is constantly cold. But when i put the central heating on the valve... [Read more]
Mend Heating, Home Heating Systems

icon 23t boiler help?

can anyone tell me why when i turn the hot tap on, the central heating turns on as well. have had the diverter... [Read more]
Mend Heating, Home Heating Systems

ikon 23t boiler help?

can anyone tell me why when i turn the hot tap on the central heating turns on as well. have had the diverter ... [Read more]
Mend Heating, Home Heating Systems

Problem with Ideal ISAR HE24 ?

I have just fitted replacement PCB to my daughter's HE24 boiler as there was no LED display & no hot water or ... [Read more]
Mend Heating, Home Heating Systems

How can I fix my actuator?

I suspect that the actuator on the motorised valve (BGMVSP-23, aka Drayton MA1) is broken and would appreciate... [Read more]
Mend Heating, Home Heating Systems

have a boiler no hot water 28cdi?

worcester boiler 28cdi have central heating working ok hot water will not turn on downstairs bathroom turn wat... [Read more]
Mend D.I.Y, Plumbing

radiator leak?

I have a small leak on the outlet valve of a central heating radiator. Thread seal tape is not enough to stop ... [Read more]
Mend Heating, Home Heating Systems

Hot water but no central heating?

Hi, having an odd problem with the heating today. i can get as much hot water as i want but cannot persuade... [Read more]
Mend Heating, Home Heating Systems

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

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