How to mend ... Pump Boiler Expansion

Worcester Heatslave Combi 15/19 boiler keeps cutting out?

Hi I'm hoping someone can help solve the mystery as to why my boiler keeps cutting out. The problems start... [Read more]

my pressure keeps dropping below the 1 bar mark?

i have just had my boiler services and the gas engineer has just fitted my ferroli 701 boiler with a new PRV h... [Read more]

How can l resolve problem?

WORCESTER HEATSLAVE 20/25 0IL COMBI Water pressure drops and will not rise, pump starts to make noise. To k... [Read more]

Worcester 280 RSF Overheating, please help!?

My 280 rsf overheat thermostat trips when DHW demand is switched off after it has been on for a long time, ie ... [Read more]

I have a Ideal Classic FF 360 and only the Pilot light works the boiler?

I have a Ideal Classic FF 360 Central Heating Boiler, when i put the heating on the Pilot light lights and I c... [Read more]

Pump over-run?

My Worcester 19/24CBi boiler keeps overflowing into the header tank via the expansion pipe. Whilst reducing th... [Read more]

i have a code s.8 on a vailant combi ?

the boiler shows code s. 8 which in the manual means pump over run. what is that and how can i fix it please... [Read more]

Worcester Heatslave 20/25 problem?

Worcester heatslave 20/25 oil combi boiler 8 years old problem as follows, with hot water only selected o... [Read more]

High pressure and hot at both rads and water?

I have a canray 5 oil boiler. The circulation pump had ceased and has now been replaced. However I have some w... [Read more]

boiler sometimes doesn't ignite?

We have a Potterton Prima F and occasionally we find it hasn't come on at the programmed time in the morning. ... [Read more]

Heating systems?

Hello I have a Potterton Netaheat boiler. In spite of putting in a new pump and desludging the system, the ... [Read more]

Bosch Worcester Highflow 400 no heating no hot water?

We've had an ongoing deries of problems which Brit.Gas are struggling with... 31 Dec: no heating/hot water - ... [Read more]

no hot water baxi combi 105e?

Hi. I'm looking for some help with a baxi 105e combi boiler. Central heating works fine but hot water only jus... [Read more]

EXPANSION VESSEL PROBLEMS ... Help !!!?

1. when I attach a pump to put air into the vessel, having got it to the correct 1 bar pressure on the pump, t... [Read more]

Glow Worm 30ci - got hot water but no C.heating?

Firstly just like to say thanks to all that help on here. I am fairly competent with this kind of stuff, and ... [Read more]

How to pressurise expansion vessel?

Vaillant Combi boiler VCW 282 central heating expansion vessel needs to be re pressurised as it is causing hig... [Read more]

grant 70/90 outdoor, sealed system boiler?

I have been losing pressure and some water from system for some time now could'nt find a leak any where indoor... [Read more]

Why does my Bosch Worcester 24 CDi keep repressurising itself?

My bolier keeps repressurising itself slowly through use. I can't use my central heating as the PRV has broke ... [Read more]

ferroli combi boiler Pressure?

I re-pressurised my expansion tank about 18 months ago using instructions below:- 1. Switch off the boiler.... [Read more]

my sime boiler is heating water ok but the central heating part wont start?

the central heating part of boiler wont fire up. the room thermostat appears ok.theres a expansion tank on rea... [Read more]