How to mend ... Combi Heat Water

How do you fit an external switch to a Grundfos 15/50 pump?

How do you fit an external switch to control the variable speed on a Grundfos central heating pump fitted to a... [Read more]

Vokera Excell 80 sp?

The combi boiler fails to start up. The pilot light remains on. It fails to heat the water and does not heat... [Read more]

Worcester 240 - one cold radiator?

Hi, I'd be grateful for your suggestions on the following problem - I's got me stumped! My Worcester 240... [Read more]

Combi 24 cdi Pressure build when off !Help Please!?

Hi Folks hope you can shed dome light on this for me... Combi 24 cdi Pressure build when off Problem be... [Read more]

Baxi combi 105HE boiler fault on the heating side?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]

baxi combi boiler eco 80?

I tried to put my hot water on and there's no hot water coming out! Also discovered my heating isn't working e... [Read more]

main combi 24 he?

We have an erratic problem with the red flashing burner fail light. Heating fails and we have no hot water. Bo... [Read more]

How can I get the heating to work?

I have a Range Powermax combi bolier system. I have come to turn the heating on for the first time since Febru... [Read more]

How can I fix the heating on my Baxi Combi Instant 105e?

I have a Baxi Combi 105e. The hot water and heating is on but the heating is not working. When I turn the temp... [Read more]

whats wrong with my boiler?

hi i have a ideal evo combi boiler and keep getting problems with the hot water side the plated vain unit keep... [Read more]

Baxi 105HE Heating fault?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [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]

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]

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]

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]