How to mend ... Hot Heating Flow

no heating on a greenstar24i?

the hot water works fine but turn the heating on it fires up the flow gets hot then it cuts out.

my boiler is over heating even when its just the water that's on?

I busted my heating for an hour last night.. it worked ok then again later on but this time the boiler over he... [Read more]

Procombi 85 HE hot water ok, but central heating not working?

The boiler is working when I run hot water, it fires up when the central heating is turned on, the pump get's ... [Read more]

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [Read more]

halstead ace high boiler?

Hi after reading some of the posts on this website which were having the same problem as me (boiler playing up... [Read more]

vokera boiler problem?

compact 24 central heating pressure gauge rises when domestic hot tap open + water flow from overflow when i o... [Read more]

20/25 danesmoor?

have heating but no hot water on oil fired 20/25 danesmoor. have changed flow valve as it did not seem to be w... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

My Worcester Greenstar 37cdi central heating won't come onot wate?

My Worcester Greenstar 37cdi central heating won't come on. The hot water is working. The Digistat sender sho... [Read more]

No hot water on boiler 24vci, have central heating no fault code is showing?

No fault code is flashing, I have heating but no hot water. We have replaced the diverter valve, the flow swi... [Read more]

how can i fix flow meter?

Is there anyway of bypassing the flow meter on my wrestler 28si boiler we have heating but no hot water

no hot water baxi genisis 80?

heating works ok. burner lights on full flamefor about 30 seconds and goes out it does not modulate the burner... [Read more]

baxi 105he will not give hot water unless the heating is already on ?

the boiler will not fire up when the tap is turned on unless the boiler is already lit for the central heating... [Read more]

intesa combi boiler?

when opening hot water tap boiler will not ignite but heating works have changed hot water flow switch but has... [Read more]

Ravenheat RSF820/20T fails to heat water?

Hi Folks, Our RSF820/20T has just about given up giving us hot water :( The closest we can get is luke warm... [Read more]

Ravenheat LS80T No hot Water?

We have had the bolier for approx 5 Years with no probs. Lately we have no hot water from the kitchen tap and ... [Read more]

how can i fix my cb24 boiler?

i cant get hot water without my central heating being fired up is it possible could be the flow switch. i am a... [Read more]

hot water?

when running the bath water i have to reduce the flow quite a bit to get it hot also with no c/heating on the ... [Read more]

My triton T80si electric shower extremly hot and luke warm?

My Triton T80si Electric Shower is either extremly hot (setting 7 above, or luke warm 6 or below) on both sett... [Read more]

Vaillant vcw-sine, no hot water or central heating when ntc wire connected?

I can only get c. heating, no hot water when the ntc sensor wire is disconnected. I have replaced the water di... [Read more]