How to mend ... Boiler Keeps Going Hot

hot water and CH come on together when only one required?

my hot water and central heating comes on together when i only want one on i have a potterton back boiler wha... [Read more]

lost manual F22 and F25 codes?

Hi, can anyone help? New boiler working fine on the hot water side ..now have tried to put on CH..fine for x2... [Read more]

worcester bosch boiler - pressure problems?

COLD- pressure is less than 1. demanding hot water trips the boiler. I turn the central heating on and the... [Read more]

ferroli F24 combi boiler?

working ok on the Hot water mode. When put on the heating after about 10-15 sec it gose in to the lock out.

radiators not getting hot?

we have a vokera compact boiler and have had british gas out recently as we have a warrranty out with them but... [Read more]

How can I fix my Greenstar 30CDi System?

Hi - Boiler had been working fine. We topped up pressure recently ( to about 2). Now the pilot light is ... [Read more]

How can I fix my Worcester 28CDi Combi Boiler?

Intermitent problem. When running the hot tap the boiler and the pressure gauge start to pulsate. A new heat ... [Read more]

bosch worsester 230 no fire up?

boiler will not fire up unless you turn the hot water on, then it fires up but no central heating. can anybody... [Read more]

how to fix my ravenheat csi85at boiler?

will not fire either dom hot water or central heating , spark firing , fan running no main fire

Worcester 350 hot water problems?

At low flow rates water temperature okay, increasing flow rate temperature luke warm. What controls the modula... [Read more]

how can i fix my ariston genus he 24 mffi boiler?

when the water runs hot all of a sudden it starts cooling down and shows either E 33 or E 34 code then it clea... [Read more]

how can i fix my boiler?

My baxi combi 105he started playing up the other day not firing up for heating and hot water. The warning ligh... [Read more]

worcester heatslave 15/19?

my heatslave 15/19 is playing up its serviced every year and the boiler man said its a good boiler, anyway i n... [Read more]

how to fix my reno HE30C combi series johnson & starley ?

my boiler is all on. my hot water is fine. but when i flick the switch up to put central heating on its not tu... [Read more]

re boiler ?

we have a a ferroli boiler and it is showing a no c a sign we have no hot water or heating can you urgently... [Read more]

Pump is sorted.How do i clean dhw heat exchanger Vaillant part no: 065053?

Pump is sorted by now. I have back hot water and central heating. But some problems with hot water persists. ... [Read more]

netaheat 16/22?

boiler will fire and work when hot water only, but when i turn on heating boiler will stop running. also water... [Read more]

Hot Water?

We have just moved into a cottage which has an Economy 7 Maxistore boiler but we have no manuals - can you let... [Read more]

ravenheat csi primary aaa ?

boiler fires upfor about 1 minute then shuts down for 10 mins then fires up again from cold its a new boiler b... [Read more]

help help help?

Please someone help we have had about 4 heating techs out all safe gas registered and no one can help its cost... [Read more]