How to mend ... Ch Problem Boiler Hot

unburnt gas in flue gases, glow-worm 100e electronic combi?

Boiler fires ok on DHW and CH, plenty of hot water and no unburnt gas in flue gases on DHW, but in CH mode boi... [Read more]

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

re re noisy worcester 24i?

hot water fine except for some scale (not a lot) but central heating system noisy like air is trapped in it(gu... [Read more]

vaillant combi no hot tap water?

I have a Vaillant combi boiler TURBO MAX PRO 24E only two years old and have had problems getting hot water to... [Read more]

Baxi 105e problem?

Hi All, I have baxi 105e. It used to work but all of a sudden its decided not to work. When I switch the bo... [Read more]

Potterton Metaheat - CH radiators work only when HW is on?

I have a Potterton Metaheat. It is controlled by a Potteron EP2000 type controller with a thermostat in the li... [Read more]

Baxi Bahama 100 combi boiler aka grief machine?

My most recent problem with this boiler is the CH doesnt work but the hot water seems to be working fine altho... [Read more]

Ferroli Optima 901 -occasional Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no ho... [Read more]

Ariston boiler microgenus 27 burner heats to max?

My Ariston microgenus 27 MFFI, gets into a mode where it turns on burner until all yellow leds are lit (80') b... [Read more]

how can I fix my protherm 89e boiler?

hot water does not always come on, whether it is set on central heating or hotwater only. you have to have ta... [Read more]

Hot Water problem?

Ferolli Moderna 80E Combi boiler CH works fine. HW is hot for the first 10 seconds or so but then goes luke... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

No CH with Potterton Puma 80?

I have a problem with a Potterton Puma 80 in that the CH does not appear to be working and there is no heat go... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

How can I fix my Ariston boiler?

Similar Question to Dean's (no hot water). My Ariston SX20 has a similar problem, hot water going cold after a... [Read more]

Why does my Potterton Profile Boiler not fire up?

I hope some one out there can help me to diagnose the problem with my Potterton Profile which will not light.... [Read more]

Baxi 105e HW but no CH?

Hi Ive got a Baxi 105e which has developed a CH fault. Hot water works fine but flame will not remain lit whe... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

Baxi Bahama 100 CH not working?

We have so far spent nearly £1000 over the last 2 years on our Baxi Bahama 100 boiler, the latest problem is ... [Read more]