How to mend ... Hot Heating Mode Boiler

Boiler will only burn for three seconds then off for three seconds?

When fully warmed up my Vokers Linea 28 starts to malfunction, it burns for about three seconds then shuts off... [Read more]

ferolli modena combi boiler?

The hot water works fine but the central heating wont come on in either clock mode or auto mode. Changed the h... [Read more]

how can i fix my valiant combi boiler?

Just had servo value changed and still not getting central heating to come on, when in constant mode and hot w... [Read more]

how can i fix my valiant combi boiler?

Just had servo value changed and still not getting central heating to come on, when in constant mode and hot w... [Read more]

WHY'S MY VAILLANT BOILER NOT FIRING UP?

My Vaillant boiler isn't firing up when heating is turned on or when hot water taps are turned on. All the se... [Read more]

glow worm compact 100e combi boiler?

when on hot water mode really loud humming noise very loud. no noise when in heating mode

What is the problem with my baxi 105e instant, ?

In hot water mode everything seems to function as it should however when central heating is required the boile... [Read more]

whats the answer baxi combi 80e?

the boiler in domestic hot water mode is diverting the water with the hot water tap off to the central heatin... [Read more]

NO hot water or central heating Probcombi?

I have a Procombi 100 HE boiler but can not get any hot water or central heating from it..the boiler had shut ... [Read more]

Vokera boiler works in heating mode but not Hot water only mode?

I have a problem with my boiler it is a Vokera 20-80 RS flowmatic. The flowswitch tries to move but does not o... [Read more]

Combi boiler keeps cutting out ?

My Halstead combi boiler keeps going to safe mode when the heating or water comes on , so i am not getting an... [Read more]

Potterton HE30 runs cold after a few minutes?

The boiler has been fine for 3 years but after we turned of the central heating mode the boiler runs cold afte... [Read more]

Heating comes on when hot water tap is running?

The problem with my Halstead Ace boiler is that when i run any hot water tap the heating circuit is also getti... [Read more]

Fault code 'A02' with my Ferroli Optimax HE Boiler?

I have a continued problem with my boiler that just won't go away! About once a week the heating & hot water g... [Read more]

combi boiler (help)?

my combi boiler keeps making a horrible noise and will only operate the centeral heating and will not operate ... [Read more]

re Worcester Boiler 9.24 Electronic. RSF?

The boiler is running in CH and Hot water mode. The boiler temp is set at just 2 or 3 on the main control. A... [Read more]

no central heating got hot water ?

ariston A combi boiler 24mffi not working in central heating mode but working in hot water mode

Baxi Boiler/heating comes on when in off mode?

i have a baxi boiler.The heating is in the off setting for summer, yet whenever I use the hot water for the sh... [Read more]

Ferroli optimax HE 31C, c/h but no hot water?

Currently in a student house, just got back after easter break and whoever left the hosue last turned boiler o... [Read more]

Ravenheat csi85ta no heating hot water ok?

I have a Ravenheat csi 85ta no central heating hot water ok changed diverter valve to no avail in heating mode... [Read more]