How to mend ... Hot Water Switching Heating

problem with Halstead Ace High Boiler?

My boiler won't fire up the central heating or hot water, the burner fires up for about 5 seconds and then sto... [Read more]

Mid Position Valve Not Switching - No CH?

Hi, Need some help with the below. I have hot water, but no central heating. Common problem you say, but i... [Read more]

red reset button constantly coming on, always without heating & hot water!!?

Anyone know know how to fix problem of "no flame detection". Boiler never stays on, always switching off, red ... [Read more]

how can i fix my halstead ace boiler?

my halstead ace combination boiler has stopped switching over to give hot water when the hot taps or shower is... [Read more]

Britony Combi 80/100 possible faulty two way valve?

Some times (especialy if unused for several weeks)when switching on to "hot water only" system does not run ho... [Read more]

F1 setting on Protherm boiler?

I've got a Protherm boiler and on almost a daily basis it keeps "switching" to the F1 setting. I've checked t... [Read more]

How can i fix my Prima F40 boiler?

I have a potterton prima F40 boiler, upon switching on the hot water or central heating the boiler takes on av... [Read more]

How can I fix my Potterton Profile 40e boiler?

The hot water side of the central heating system works fine.But no heating,the hall thermostat works,when oper... [Read more]

how can ifix my glowworm compact 100e boiler?

the hot water will only work when central heatings on .heating will not turn off via external clock ,only by ... [Read more]

how can i fix my Ideal Isar HE24 Combi Boiler?

hi there, ive stumbled across this website as a last resort before i completly loose my sanity. My boiler is ... [Read more]

Worcester Bosch 24CDi, switches off during HWD?

I have a 24CDi boiler, which lately has been switching off when hot water is demanded. It switches off and bac... [Read more]

Same problem?

I have same problem as steve. No heating or hot water tries to start then light flashes once per second. have ... [Read more]

Potterton boiler on and radiators hot despite thermosat and timer off?

Our Potterton Suprima wall mounted fan assisted balanced flue gas boiler is remaining on and the radiators ar... [Read more]

boiler locks when hot water turned off?

when i use the hot water it works ok but after switching off there is loud noise and the boiler seems to overh... [Read more]

FERROLI OPTIMAX 25C OVERHEATING?

When I turn on the hot tap the boiler fires up then a few seconds later it overheats and I get F3 fault code, ... [Read more]

Glow Worm Ultimate control unit fails to switch off pump?

I have a Glow Worm Ultimate Boiler which has a control unit with the following code ULT 100F(its about 10 year... [Read more]

Potterton Suprima 60L no heating but hot water ok!?

Recently my Potterton Suprima 60L started playing up and has a red fault light displayed. It won't reset and h... [Read more]

Glowworm Spacesaver KFB 60 overheating/cuts out?

If I have the hot water on the boiler for 20-30 mins the boiler is fine, I can also start the central heating ... [Read more]

boiler not working properly?

we have a ravenheat combi rsf 100et. the problem is the heating fires up then goes off you have to keep switch... [Read more]

How do I fix my hot water tank?

I have a free standing boiler and when I switch on the heating for water or central heating it boils excessive... [Read more]