How to mend ... New Boiler System

Pressure constantly dropping and then the heating will not operate?

The pressure is set at approximately 1.5-2.0 bar. Over a period of 3-4 days the pressure drops to below 1.0 b... [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]

my grant mk11 combi boiler starts to fire but then locks out?

my grant 90 mk11 oil fired boiler attempts to fire there is an initial response and then ignition fails. There... [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]

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]

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]

ideal classic lxff & ff boiler?

my boiler pilot light lights but boiler will not fire up. eventually after 45 mins clicking system on and off ... [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]

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]

the hot water is ok but no heating?

the hot water system is fine but no heating not even when overriding the programmes tried re-programming and s... [Read more]

Ideal ff series boiler?

Hi Guys I am currently having issues with my heating system, where as more boiler fires up no problem but it c... [Read more]

How can I fix my vaillant water heater model 1630?

My vaillant water heater model 1630 is malfunctioning. The boiler comes on, but only provides very luke warm w... [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]

I recently repaired a leak on a rad valve, ?

I recently repaired a leak on a rad valve, where some of the system was drained. The system is 0.7 bar cold an... [Read more]

Boiler only noisy when water is put on?

Hi My condenser boiler bangs a bit when the hot water comes on. It is fine when just heating is on. The house... [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]

Glow-worm 40B system top-up and inhibitor issue?

My mother has a Glow-worm 40B boiler central heating system in a bungalow and i have recently added a radiator... [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]