How to mend ... Central Heating Domestic

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]

Worcester 28cdi No domestic hot water only c/heating?

Boiler will not provide dom hot water only central htg

domestic water not hot radiators ok?

i have a sime 80e friendly format combi boiler about 6 years old the central heating works well but the domest... [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]

worcester 28i boiler - increase pressure ?

After bleeding the radiators, the gauge now shows at almost zero (with the radiators off). How can I increase ... [Read more]

General how to service a boiler?

Hi, can anyone give me some direction on basics servicing steps to service and oil domestic central heating b... [Read more]

How do you fit an external switch to a Grundfos 15/50 pump?

How do you fit an external switch to control the variable speed on a Grundfos central heating pump fitted to a... [Read more]

trouble with worcester boiler d.h.w?

hi,iv'e got a worcester 24cdi boiler and the central heating water's ok but the domestic water doesn't get ver... [Read more]

Worcester 350 combi not heating domestic hot water?

I have a worcester 350 combi that works ok on the central heating side, but randomly fails to light when drawi... [Read more]

baxi 105e domestic water led wont go out?

my baxi 105e when you call for hot water it fires no problem and delivers ok. But when you switch the tap off ... [Read more]

No domestic hot water (Brittany 80) ?

The boiler is the Brittany 80 and the problem is that there is no domestic hot water…however the central hea... [Read more]

ariston combi boiler?

My Ariston microgenus 27 mffi.is losing pressure through the safety valve(3 bar). when the central heating is ... [Read more]

Worcester 350 Combi mains fuse blows?

The two amp mains fuse on the 350 combi board near the mains input connector has blown. Replacing same all ok ... [Read more]

No Hot water Vojera Excell E 80 ?

Hi I have a vokera excell e80 combi boiler and no hot water works hot water when central heating is on . ... [Read more]

Baxi combi 80Eco heats radiators when selector switch on water only?

Baxi combi 80Eco boiler heats radiators when selector switch is on both central heating and domestic hot water... [Read more]

how can I get domestic hotwater from the Potterton Kingfisher 2 RS boiler?

I have a Potterton Kingfisher 2 RS boiler with Honeywell controls which is supposed to deliver both central he... [Read more]

heating is on but no hot water?

my central heating operates fine but the domestic hot water is playing up , how can i fix boiler to supply h... [Read more]

Have a sabre 28 combi boiler cannot get hot water???

Sabre 28 combi supplies hot water to my radiators for central heating but I cannot get hot water to domestic s... [Read more]

how can i fix my ls100t ravenheat combi boiler?

central heating works fine,timer ok,no domestic hot water in any position(sumer/winter)switch.boiler lighting ... [Read more]

High central heating water pressure - (Glowworm swiftsure 100)?

Hi folks, any ideas on this one? My central heating water pressure on the combi boiler keps increasing until ... [Read more]