How to mend ... Domestic Hot Boiler

Vaaillant Turbo Max 828-5e? combi boiler?

Having drained radiator to remove and then replaced and refilled system has lost pressure and will not reheat ... [Read more]

What is wrong?

My ravenheat condensing boiler lights and then goes out and then lights and then goes out and so on - the rads... [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]

Domestic hot water?

Is there a legal maximum temperature for hot water? I live in a council owned block of flats and it has a cent... [Read more]

How can I stabilise my Worcester Bosch 35CDi combi boiler pressure?

There has been a sudden drop in pressure from 1.8 bar to 0.7 bar. Repressurising with added water back to 1.8... [Read more]

My Worcester 24i Combi was working perfecly until I ran hot water tap?

Last night my Worcester 24i Combi was working O.K. until I turned on a hot water domestic tap. However, after ... [Read more]

Combi Gas Boiler?

My boiler is turned up to maximum on both domestic hot water and radiator temperature. The DHW is warm to medi... [Read more]

Worcester Heatslave combi boiler - removal of dom hw thermostat?

I have a 21 year old worcester oil heatlave 15/19 combi boiler (ser No 3/88/10/22450), but the domestic hot wa... [Read more]

My central heating comes on even though not switched on?

The heating comes on when the boiler strikes up to provide domestic hot water. On the programmer the heating s... [Read more]

boiler going out?

my vokera maxin 24 e . goes out after 5or 6 seconds both on central heating and domestic hot water.will start ... [Read more]

whats the answer baxi combi 80e?

the boiler in domestic hot water mode is diverting the water with the hot water tap off to the central heatin... [Read more]

How fix Worcester Bosch 537i Combi Boiler?

Domestic hot water works OK Central heating not working. If I switch off and on again can hear water pum... [Read more]

i hav a raven heat boiler littlstar ls80 t. it dose not egnight for domerst?

my raven heat will not light for domestic hot water but will light for sentral heating

no hot water to demestic sully?

boiler dose not ignight for domestic water supply but sentrel heating works. but if you turn hot tap on burner... [Read more]

Glow worm 100e - how warm should the control panel get?

Hi. We've had some work done on this boiler. Domestic hot water was fine - central heating was triping. I... [Read more]

boiler cutting out?

my ideal he 30 when on domestic hot water keeps cutting out. There is no alarm code and the central heating is... [Read more]

baxi combi instant he not working?

when in operation the domestic hot water neon is flashing. the boiler will only turn on the burner when it fee... [Read more]

my heatline s24 combination boiler?

the boiler will only operate the central heating but when domestic hot water is required the boiler does not i... [Read more]