How to mend ... Pump System Boiler

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

Spectrum Fuel-Miser Mk IV?

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