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We have 402 questions about mending 'pump system boiler'

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Mend Heating, Home Heating Systems

how do I refill my glow worm boiler or bleed it?

re-filled rads after installing additional rad. Bled all through - OK. Turned on pump - clanking and knocking ... [Read more]
Mend Heating, Home Heating Systems

Worcester Greenstar Ri started whistling this morning?

Our Worcester Greenstar Ri boiler started making a rather loud high pitched whistling- type noise this morning... [Read more]
Mend Heating, Home Heating Systems

Boiler not working!?

Hi all, Could anyone advise on some basic fault detection methods for boilers? I have a Vokera Compact HE w... [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

Sabre he35 combi boiler wont fire up just red light?

Hi i hope someone can help my boiler is 18 months old.i have just added to more rads to system.after refilling... [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

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [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

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]
Mend Heating, Home Heating Systems

Ideal Combi Logic boiler "L3" fault. ?

Whenever the temperature knob is turned up higher than half way, the boiler shuts down, flashing L and 3. Have... [Read more]
Mend Heating, Home Heating Systems

Randall 102 timer, my heating did not come on this morning please help?

My heating has suddenly stopped working. I have a back boiler system that has a Randall 102 timer on it. I rep... [Read more]
Mend D.I.Y, Plumbing

Prima f, how to refil cylinder ?

Had to drain prima f system because of bust radiator pipe. Fix radiator pipe. Checked small black tank in lo... [Read more]
Mend Heating, Home Heating Systems

how to fix a firebird enviromax combi PCB C20?

I think water may of got into the system. The tank ran completely out and i noticed as i was bleeding it that ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my alpha cb 24?

My radiators are getting hot but my rooms are not getting hot i have my boiler turned up to max i have changed... [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

g/w micron 40ff reset led on, burner led fast flashing?

Boiler not working & LED's on. Reset boiler, it will ignite then shut down. It does this three times then LED ... [Read more]
Mend Heating, Home Heating Systems

morco boiler not firing up?

morco feb24ed boiler has had new pcb, new pump and now new water pressure switch. As yet still showing low wat... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Halstead Boiler (over 10 years old)?

My Halstead boiler is able to heat the hot water but does not heat up the radiators. Most times the radiators... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosh 24SI II?

When boiler initially switched on it ignites and the heating and hot water works. After about 5 minutes (has ... [Read more]
Mend Heating, Home Heating Systems

Spectrum Fuel-Miser Mk IV?

My central heating system has a Spectrum Fuel Miser Mk IV which provides: . Electronic temperature control of... [Read more]

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