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We have 315 questions about mending 'boiler system ideas'

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Mend Heating, Home Heating Systems

New glowworm ultimate c 30 boiler losing pressure?

We have a new boiler about 8 months old but have been using it daily for about a month for heating. For the fi... [Read more]
Mend Heating, Home Heating Systems

Baxi 35/60 not firing?

I have a 35/60 Baxi system boiler and I am having trouble with the boiler not firing. Initially narrowed the f... [Read more]
Mend Heating, Home Heating Systems

My Ariston Combi A boiler keeps losing pressure from Central heating loop?

Heating loop pressure drops to the red line twice a day. Cannot find any leaks from any of radiator and no lea... [Read more]
Mend Heating, Home Heating Systems

ferroli optimaxhe31c ?

F fault on display ,low water pressure in system but water pressure is ok at 1.5 bar .I have replaced the low ... [Read more]
Mend Heating, Home Heating Systems

Worcester 37CDi pump running?

The pump seems to be running for longer than normal periods when on auto and the temp settings are lower than ... [Read more]
Mend Heating, Home Heating Systems

shower running hot then cold?

my heating system is run by a worcester 24i rsf boiler which is 12 years old. we have it serviced every year ... [Read more]
Mend Heating, Home Heating Systems

Radiators?

Boiler goes up to temp really quick hot water o k done usual checks vented everything pp seems o k Also draine... [Read more]
Mend Heating, Home Heating Systems

Greenstar 12i?

Hi, I have a Greenstar12i system boiler - When the room stat is turned up the boiler starts up and the burner ... [Read more]
Mend Heating, Home Heating Systems

sabre 29HE system red light comes on every 20 minutes?

I have been having endless trouble with this boiler but had reached the stage where the red light only came on... [Read more]
Mend Heating, Home Heating Systems

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]
Mend Heating, Home Heating Systems

Fault with ideal isar he 30?

My ideal isar he30 boiler keeps on heating the system when the programmer is off and goes to the preheat for t... [Read more]
Mend Heating, Home Heating Systems

how can i fix my boiler?

hi i have a morco boiler and when i turn the heating off the system looses water through the expanson tank pip... [Read more]
Mend Heating, Home Heating Systems

I have a greenstar 25cdi gas condensing boiler. ?

The hot water temperature is'nt always getting hot. Never cold but sometimes lukewarm , sometimes hot? The c... [Read more]
Mend Heating, Home Heating Systems

Stelrad Ideal RS40 Pilot Light?

Have just moved into a new house and had re arrange the radiators therefore drained down the system. Its been ... [Read more]
Mend Heating, Home Heating Systems

Why does my Boiler fire up when timed to be Off?

Help! I have a Digistat RF3 Transmitter and SCR receiver. My problem is that my Boiler fires up when timed t... [Read more]
Mend Heating, Home Heating Systems

Greenstar CDi combi boiler overheating?

Hi, Greenstar CDi combi boiler 3 years old. Top floor radiators cold so bled, this dropped water pressure to z... [Read more]
Mend Heating, Home Heating Systems

I have a potterton profile 80el short cycling 1 min 'off' 1.5 min'on'?

Replaced pump (sticking)and heat exchanger (leaked). Since these changes the boiler started short cycling - ... [Read more]
Mend Heating, Home Heating Systems

Heating cutting off for no reason?

My central heating keeps cutting itself off, a red light comes on and flashes on the boiler and i have to rese... [Read more]
Mend Heating, Home Heating Systems

what could be cause of heating problem?

i have an ariston micro combi 23 mffi boiler the pressure in system keeps dropping to zero , when i refill sys... [Read more]
Mend Heating, Home Heating Systems

Ref Maxol 402 boiler switch off?

Just moved in and the Maxol 402 boiler keeps cutting out after removing rads for painting. Have bled the syste... [Read more]

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