How to mend Boiler Expansion Central

3

Pump over-run?

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

1

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]

1

low water pressure F28 lockout, Vaillant Turbomax plus 828E ?

Hi guys, Hope you can help. I've viewed all the relevant and some of the irrelevant posts on similar subjects ... [Read more]

Ravenheat X100?

Hi, My boiler has decided to spring a leak. The water seems to be coming out of the back of the boiler. T... [Read more]

Worcester Bosch 35CDi II banging & wild pressure (CH only)?

Hi, just recently our Worcester Bosch 35CDI II boiler has been making worrying noises After 30 seconds or s... [Read more]

2

Ferroli domicompact F24 B?

My boiler has been losing pressure for some time. Water comes out the pressure relief valve outlet when the ce... [Read more]

2

Expansion Tank won't drain?

Our central heating system stopped working - the boiler would remain on for a few minutes but then cut out, al... [Read more]

2

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]

6

Ferroli DOMIcompact F24B losing pressure?

My boiler has been losing pressure for some time. It only appears to lose pressure when the central heating is... [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]

3

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]

2

Glowworm 330+ Central Heating boiler question?

1. What should the water expansion tank pressure be? 2. The Red guide hand is on 2bar but the pressure (col... [Read more]

Sime Friendly Boiler issue - radiators hot, sometimes not?

This is a bizarre one (or maybe it's more common than I think!). Here goes:- Due to falling water pressure ... [Read more]

The boiler will not fire up in 'Central Heating Mode'?

A new expansion valve has been fitted but the heating was not working before this

Vaillant VCWGB242EH GC 4704413 Combi goes out immedi?

Hi, am working on the above boiler, was leaking at the auto air vent so tested the expansion vessel to find it... [Read more]

Apollo Fanfare Boiler Problem?

My Apollo Fanfare seems to work ok. Apart from a quite loud bang when the central heating is on....it does no... [Read more]

6

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]

How can I sort out pressure on my Worcester combi boiler?

The pressure gauge on my Worcester Bosch Combi boiler suddenly shot up to maximum and water was running from t... [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]

halstead ace high over pressurising?

I have a 5 year old Halstead Ace High boiler recently when the central heating is running the pressure has bee... [Read more]