How to mend ... Day Water Boiler

ravenheat h85t looses pressure on ch only?

I have had my boiler switched to dhw only through summer ,now its dropped cold but back to ch/dhw works fine o... [Read more]

saunier duval F30E therma condens boiler. hot water not working ?

I have a f30e therma condens boiler, in the summer i had hot water great but i turned on the heating the other... [Read more]

Heating / Hot Water Problems?

Oct 05 installed a 24i Junior always at this time of year having had the heating off and only the hot water on... [Read more]

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

Halstead Ace Circa 2001 - Not Heating?

Problem – Intermittent fault or faults causing the boiler to cease heating water and or Central Heating. Oc... [Read more]

High pressure on Glow worm 30cx boiler?

The pressure instead of remaining constant, as it is a sealed system, is increasing by approx 0.1 bar per day.... [Read more]

How do we increase the system pressure?

Throughout the day I noticed that the amount of hot water was reduced. then in the evening the boiler started ... [Read more]

ravenheat flame failure light?

I have aproblem with my Ravenhead combi boiler the flame failure light keeps coming on - several times a day a... [Read more]

My Baxi Boiler .Can I have just water heating. ?

have programmed my boiler for twice a day in Summer .The hot water comes on only warm. How do I have hot water... [Read more]

potterton flowsure plus?

hot water and central heating work however my problem is this: couple of weeks ago boiler seemed to 'cycle' a... [Read more]

worcester 25cdi boiler flashing up code ea IN SUMMER?

we had a very wet day here a few weeks back, the kind that lifts drains etc. we returned home to find an awful... [Read more]

Valiant F22 low pressure problem?

Afer a day out, i came home to have a shower only to find cold water coming out. I checked the bolier and had... [Read more]

Problem with Powermax 155x boiler?

The green burner light has started turning off after 5-10 minutes of the hot water coming on. It won't go bac... [Read more]

pressure problem?

Hi Our boiler has been fine for a couple of years & now all of a sudden the water pressure drops to nothing e... [Read more]

Please help me fix our LPG A27 combi boiler?

hiya,we have a euro combi A27 we are having trouble with the boiler i/e when boiler is shut down (NOT TURNED O... [Read more]

F15 fault?

Hi, I have a F30E Theme Classic and have just replaced the 3-way valve as it had split (again). I have now ins... [Read more]

combi is emptying water out of overflow when topped up?

having problems with ideal combi boiler. the pressure gauge is almost on zero so i have to top it up for the b... [Read more]

Hot water but not to rads?

Baxi combi 105e. Boiler shows no faults.Hot water is ok but.. central heating....fires up & temp rises to fu... [Read more]

baxi 105 combi ?

hi got a flashing 30 degree light on my baxi 105 combi. turn the reset button the boiler will work central hea... [Read more]

worcester 350 combi 10 years old two pumps?

the pilot lights but the flame doesn't spread across the burner to the flame sense electrode this happens on b... [Read more]