How to mend ... Central Heating Switch

i have a glow worm ultracom 12hxi boiler,a heat only system boiler which ha?

i have a glow worm ultracom 12hxi heat only boiler which has an expansion system not an f and e tank,only i ca... [Read more]

glow-worm50 ,no hot water,heating ok,is problem easy to fix?

my glow worm 50 space saver is not heating water,however central heating is still working ok,using immersion s... [Read more]

Burner fires up and CH comes on, even though not selected at switch ?

Having been impressed with the diaphragm solution I was given here in 2010, I have another problem now with my... [Read more]

Problem with Vokera 80SP combi boiler?

My Vokera Excell 80SP has developed a fault in which I have no hot water or central heating. The pilot light i... [Read more]

Loses pressure!?

When i switch my central heating off,my combi boiler(ferroli modena 102) loses pressure till its too low to op... [Read more]

Potterton control panel not working?

A trip switch kept tripping the sockets and finally I discovered the screen on the Potterton control panel EP2... [Read more]

potterton central heating?

When we have only hot water switch on, the radiators are still hot

Saunier Duval Thema Condens F 30 E?

I have a Thema Condens F 30 E - The domestic hot water is only luke warm, however if I switch on the central h... [Read more]

Boiler firing up when programmer says off, and themo down?

Hey, My programmer (potterton) has been set for my hot water and heating to come on for a few hours each m... [Read more]

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]

Vokera Linear 28 - hot water ignition problems?

Hi Have a linear 28 (2002) usually works fine, occassionally change a part or two, but at present am stumped ... [Read more]

replacement for Danfoss thermostatic cylinder valve with pump switch?

I have been advised to replace the old Danfoss thermostatic cylinder valve but my old one has an electrical sw... [Read more]

Mid way valve fault??

I currently have hot water but no central heating When I move the 3 way valve to the H position manually the ... [Read more]

Ariston Eurocombi boiler fails to fire?

Hi I have an Ariston Euro Combi boiler. For some time the burners have been slow to fire up on demand (on bot... [Read more]

hot / cold water?

SIME Format Freindly 80e Hot water runs red hot then luke warm then red hot again just keeps up/down with t... [Read more]

Worcester Bosch 230 - pilot light out, bar at 0?

Pilot light out, Bar at O. Turned off electricity and then back on and switched on central heating/hot water s... [Read more]

potterton ep2000?

Central Heating slider is not working. Hot water seems OK and lights the boiler but no joy with the CH switch.... [Read more]

Fixing my Ideal response 120?

I have a Ideal response 120. Since the temperature has dropped below freezing my heating comes on of its own a... [Read more]

intermittent problem with central heating valve not opening?

We have a Drayton wireless for our central heating, and a Drayton ZA5679-2 2 Port motorised valve also for hea... [Read more]

How can I upgrade my Worcester 350 heater control?

We have a Worcester 350 combi-boiler with a UT2 single-channel time switch to control the central heating. Tem... [Read more]