How to mend ... Combi Hot Boiler

How can I fill system pressure loop?

I have MAIN COMBI 24 HE boiler. When I dont use it, pressure stay in 0 and when I use hot water it goes up to ... [Read more]

How can I fix my Vaillant VCW combi boiler?

we have hot water but no heating

boiler drops pressure to 0.8 and then no hot water?

boiler drops pressure to 0.8 and then no hot water, what do I do to valliant combi boiler?

baxi combi 105 hot water goes cold then hot again?

when turning on the hot water the boiler strikes up but only for few minutes then turns off again then strikes... [Read more]

How can I fix my Ariston combi boiler?

My Ariston combi boiler stopped working the other day and I couldn't see what was wrong - pressure was ok etc.... [Read more]

combi boiler, ravenheat 85 condensing?

When i put the heating on, the boiler fires and goes off repeatedly every few seconds (rads get warm but not a... [Read more]

How can I fix my Worcester greenstar 28i combi boiler?

I have recently purchased a Worcester greenstar 28i junior combi boiler.Since this morning the PILOT light is ... [Read more]

no hot water from my boiler?

I have a glow worm space saver combi, the central heatings ok, but its not heating the hot water, any help ple... [Read more]

Does anyone know what my problem is please?

We have an "Ideal" combi boiler.It has worked well for the two years we have had it,but now when we try to get... [Read more]

red light constantly on vokera combi boiler?

The red light on my vokera compact HE combi boiler is constantly on. As per the manual it could be due to syst... [Read more]

Shower not working properly on baxi with calor gas?

I have a combi baxi which is run on calor gas. The central heating seems to work fine but the shower is now no... [Read more]

Adding dispersants to circulating water?

We have a Vaillant Combi, whic is persistently (at 2 year intervals) having to have the hot water heat exchang... [Read more]

i have no hot water on a potterton combi he plus boiler how do i fix this ?

i have a potterton combi he plus boiler, the heating works just fine, the light comes on for hot water when i ... [Read more]

heating?

I have a Worcester 24i Junior combi boiler, lately when i have put the central heating on, after an hour or so... [Read more]

Pilot light goes out when i put on central heating?

I have a worcester 24i junior combi boiler, when i put the heating on it runs for an hour or so, then the pilo... [Read more]

Vaillant combi boiler, loss of pressure when hot water is on?

Hi, can anyone help? I have a Vaillant combi boiler about 7 years old, central heating works fine and so does ... [Read more]

boiler pressure problem?

Vokera lina24 combi boiler holds pressure for a few days then goes down. Fires up for hot water but heating do... [Read more]

Worcester Heatslave 20/25 Combi-boiler?

Our Worcester heatslave 20/25 combi-boiler seems to have a mind of its own. The hot-water sometimes takes age... [Read more]

worcester cd35i ii pressure problem?

i have a problem with my combi worcester cd35i ii the pressure of the unit is at just over 1 bar and when you ... [Read more]

heatline c24 combi boiler?

the domestic hot water was only getting warm. there was an electrical hissing? noise and the printed cuicuit b... [Read more]