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We have 395 questions about mending 'central heating pump'

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Mend Heating, Home Heating Systems

My Worcester 24i RSF central heating boiler pump will not cut out?

My Worcester 24i RSF central heating boiler circulating pump is running all the time even when there is no dem... [Read more]
Mend Heating, Home Heating Systems

ferroli combi 77ff boiler will not ignite?

my boiler will not ignite when you call for hot water or central heating. the pilot light is lite,the pump is ... [Read more]
Mend Heating, Home Heating Systems

Circulating pump runs all the time?

My Worcester 24i combi boiler central heating circulating pump keeps on running even when the boiler cuts out.... [Read more]
Mend Heating, Home Heating Systems

Is there a circuit diagram available for a Baxi solo 3 PCB(231711)?

The central heating pump is supposed to continue to run for approx 8 minutes after the timed cycle to cool the... [Read more]
Mend Heating, Home Heating Systems

How can I boost system pressure?

My mother-in-law lives on a farm with a private water supply from a spring. The water pressure is insufficient... [Read more]
Mend Heating, Home Heating Systems

grundfos selectric ups 15-50?

it was all working fine until this morning, boiler is supplying plenty of hot water but rads are cold. on the ... [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 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

Solaris 30PC?

Hot water is good. Central Heating Flow pipe gets very hot, return is cold to touch. Boiler is mounted in cupb... [Read more]
Mend D.I.Y, Plumbing

Do the Rayburn central heating pipes need to be 22mm or is 15mm ok ?

On the diagram it shows the hot take off for the central heating as 22mm, my circuit is 15mm could this be the... [Read more]
Mend D.I.Y, General D.I.Y

noisey heating pump?

my central heating pump has developed a loud noise is it time for a new pump and can i do it myself
Mend Heating, Home Heating Systems

no hot water?

i have got a optimax 25c boiler central heating is working but no hot water,i have change the pump diverter, f... [Read more]
Mend Heating, Home Heating Systems

Pump Overrun (Ideal Cobir plus Bpoiler?

How do you fix Pump Overrun, no central heating
Mend D.I.Y, Plumbing

should my central heating pump run all the time ?

I have a Baxi combi boiler which is 8yrs old. I put my heating on constant at a low temperature. I don't hav... [Read more]
Mend Heating, Home Heating Systems

worcester greenstar 24i junior boiler stopped working?

Help I have a worcester 24i junior boiler 4 years old which the pressure keeps dropping had a leak a few weeks... [Read more]
Mend Heating, Home Heating Systems

Pressure fault on Worcester 28Si II?

Hi. I'm repairing my boiler after it froze. I have the central heating working now (pump and flow sensor damag... [Read more]
Mend Heating, Home Heating Systems

Grundfos Selectric UPS 15/50 Central Heating Pump started whinning?

My above pump, circa 12 years old, has started making a high pitched whinning noise from time to time. I think... [Read more]
Mend Heating, Home Heating Systems

ravenheat white star clicking,intermitent stop start on hw and heating?

usualy fires up fine then cuts out on both systems.pump still runs then fires again lots of clicking noises th... [Read more]
Mend Heating, Home Heating Systems

central heating whistling?

when my central heating comes on there is a whistling sound i think it is comming from the water pump is there... [Read more]
Mend Heating, Home Heating Systems

Ravenheat combi boiler continually firing then shutting down?

My 3 year old Ravenheat CSI 85A combi boiler developed the following fault: Firstly, the domestic hot water w... [Read more]

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