How to mend ... Problem Domestic Heating

Ravenheat combi boiler continually firing then shutting down?

My 3 year old Ravenheat CSI 85A combi boiler developed the following fault: Firstly, the domestic hot water w... [Read more]

Only get hot water when heating is on with Vaillant Combi boiler?

I am unable to get hot water when switch is set to domestic hot water. However I am able to get hot water whe... [Read more]

ferroli combi boiler HE31C?

i have no domestic hot water coming through taps central heating working ok can u tell me the problem if i can... [Read more]

what is the problem with my baxi combi 80eco?

when the boilers selector switch is positioned to both the central heating and domestic hot water position i s... [Read more]

Glow Worm Compact 80E switches on without the tap !?

This morning I heard clicking and went to the boiler and noticed the domestic water heater switches on and off... [Read more]

when I turn on hot water tap, I hear a big noise, like a explosion?

My boiler is (worcester bosch 28i RSF), and it is 6 years old by now, regularly has been serviced and works wi... [Read more]

Vokera linea ag plus. Domestic hot water cycling hot and cold?

I have the same problem with taps or showers. Checked again and its not just the showers, hot tap turned on an... [Read more]

Vokera Linea 28 combi boiler DHW problem?

My central heating works fine on the boiler, but the domestic hot water (DHW) does not, barely gets above 30 c... [Read more]

plumbing and heating?

my biasi 24se fires up, overheats, in domestic water mode then cuts out, when switched to central heating mode... [Read more]

vokera linea 24 combi boiler problem?

when my boiler switches on to heat water in both heating and or domestic mode the green light changes to flash... [Read more]

Rayburn Driven Central Heating Problem - Upstairs Cold?

I have a Rayburn Gas CH system with a seperate pump. The cooker / boiler is in the basement kitchen with 3 ra... [Read more]

Worcester 24i RSF Junior - Water Flow Switch Melted!!?

Hi, had a few probs recently wi boiler, new Gas Valve & new PCB within last 2 months seemed to have sorted it.... [Read more]

Sime Friendly Boiler issue - radiators hot, sometimes not?

This is a bizarre one (or maybe it's more common than I think!). Here goes:- Due to falling water pressure ... [Read more]

How can I repair my Worcester Bosch central heating Combi boiler HF 400?

My Worcester bosch HF400 Combi boiler works with Domestic hot water but when central heating is selected there... [Read more]

Modena 80E - central heating = hot domestic water?

I have a Ferroli Modena 80E combi-boiler, The problem is with central heating switched on the domestic hot wa... [Read more]

New Boiler or repair which will be my best route?

I have a worcester greenstar combi boiler, it was fitteed when I purchased the house 18 months ago, although o... [Read more]

problem with Sime 105 Super Mk 2?

Hi, I have a problem (again) with my Sime combi boiler. When the burner flame switches off on either heating o... [Read more]

Domestic Heating Oil Freezing?

I have the same problem as Jo - central Heating Boiler and Aga have gone out in Cornwall (-8oC) Is this Oil wa... [Read more]

what is the problem with my potterton 55 boiler?

have a potterton housewarmer 55.it roars on initial firing in morning then once reset fires OK.at the moment i... [Read more]

need help fixing problem with some radiators on domestic system?

replaced water cylinder and now havin problem with three rads not heating up. they are close to each other. re... [Read more]