How to mend ... Combi Heat Off Itself

loud thump several minutes after shutdown?

worcester 24i combi RSF .boiler is working fine, but after shutdown and about 5 minutes after the heat dissipa... [Read more]

combi boilers?

why does my boiler switch on every couple of hours for 30 seconds or so even though heat or hot water has not ... [Read more]

repair of ravenheat 820/20 fan assisted combi-boiler?

central heating is working but no dhw.lot of banging and popping recently before failure.replaced diverter val... [Read more]

COMBI BOILER?

HI THE BOILER FIRES UP IF YOU OPEN A TAP AFTER 3 SECONDS IT SHUTS DOWN IF YOU LEAVE THE HOT T... [Read more]

Biasi Combi Boiler M90E.245 problem!?

My radiators and hot water keep going cold whilst the Combi is still running in the background. I keep having ... [Read more]

worcester highflow combi boiler not working?

the boiler lights are on and the pressure is ok but although it sounds like it is coming on there is no heat i... [Read more]

Radiators Are Cold?

Hi all, Just wondering if anyone can help... I have 2 radiators out of 8 which refuse to heat up at the bottom... [Read more]

Britany Combi - how do you add water to increase the pressure?

Our pressure guage is showing just over 0, does anyone know which is the inlet to add water and increase the p... [Read more]

Any ideas what my problem is???

I have a 10 year old Ravenheat combi boiler (not sure of model, but will add when i get home later). It will o... [Read more]

Baxi Combi 133 HE Pus, constant heating when not selected?

I have switched the system from summer to winter mode, but now have constant radiator heat although the stat i... [Read more]

How can i fix my Potterton Performa 24 combi. boiler?

My Potterton Performa 24 combi. boiler will switch on and fire up, but will not switch off. For example: If i ... [Read more]

Vaillant Combi VCW 25/1 T3 Hot water temperature lowish?

My boiler has been in operation since 1983 and I have replaced various parts over the years so am fairly happy... [Read more]

combi boiler raven heat. no hot water & heating intermitant?

combi boiler raven heat condencing fan boiler. model: cs185a / cs185at. No hot water (occasionally intermiten... [Read more]

How do I increase my combi boiler hot water temperature above 60*?

Ferolli Maxima 35C. Good animal, had it for 3 years but it niggles me that the DHW is limited to about 60 deg... [Read more]

central heating ?

my potterton combi 80 boiler heats water with no problem, however the central heating does not work, i put ... [Read more]

Worcester 350 combi not heating domestic hot water?

I have a worcester 350 combi that works ok on the central heating side, but randomly fails to light when drawi... [Read more]

my vaillant Sine 18 combi boiler has fault?

While I appreciate that it's knocking on a bit, like myself, I feel that there is plenty of life left in the o... [Read more]

replace the water to water heat exchanger in my worcester bosch 28cdi combi?

The manual tells me to remove the filling loop by removeng the two holding scews and then slide the assemble t... [Read more]

Baxi combi 105E flame on and off problem?

When I turn on the boiler for either hot water or central heating the flame light will come on, the boiler wil... [Read more]

Glowworm Swiftflow Start Up?

Hi!! I've turned the combi boiler back on, got the pilot working fine but no heat to the shower, rads or ho... [Read more]