How to mend ... Problem Hot Ch

Motorised valve for boiler?

I have a problem with my boiler- i only get hot water when the CH is switched on - i think the problem is with... [Read more]

my down stairs CH doesn't gets hot.can anyone tell me what's the problem?

My boiler is a potterton kingfisher CF 50.my down stairs ch doesn't gets hot sometimes nd sometimes does.plz k... [Read more]

potterton suprema thermostat issue?

I have 2 supremas, 1 for HW t'other for CH. I noticed that the heat output on the CH unit, although turned dow... [Read more]

ferroli optima 901 c/heating problem?

heating will not come on but hot water ok. pump runs. boiler fires up when stone cold for c/h eventually but w... [Read more]

is my boiler overheating?

I have no experience with boiler, I touched the flue duct on the top of the boiler, it's hurt, very very hot... [Read more]

baxi 105 HE boiler problem?

my baxi 105HE heats water to the taps but CH wont come on.the grundfos pump is hot and not seized.i have not u... [Read more]

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [Read more]

Potterton PRT2/ EP2002 C/H always on (unless at temp)?

I have developed a fault on my Potterton EP2002 Programmer following short circuiting and blowing a fuse. The ... [Read more]

new worcester 550I combi boler?

When the hot tap is opened fully the temp of the water increases until the boiler trips out .Worcester service... [Read more]

Potterton puma 80, CH not working?

Hi all i hope i posted this in the right place, Basically moved into my new house last month and the house ... [Read more]

ravenheat csi85a ch problem ?

dhw working fine but boiler cycling when in ch mode.boiler will light and go out after about ten seconds and g... [Read more]

Radiator problem?

Can anyone tell me why when my gas ch system is set to hot water only the upstairs radiators come on too (this... [Read more]

Morco Feb 24E CH problem?

Hi My boiler CH heats up to a point then cuts out, possibly coming back on an hour or so later. It will come ... [Read more]

how can I fix my halstead ace hot water?

my halstead ace has a problem with hot water, the ch works fine until asked for hot water, it fires for a whil... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

No hot Water from Vaillant Sine 18?

Problem with Sine 18. Hot Water CH OK. Changed water valve diaphram (Several times over the years) which... [Read more]

Saunier Duval Combi Boiler Pressure Rises?

Hi Hopefully someone can answer this problem for me please? I have a Saunier Duval Thema Condens F30e Bo... [Read more]

Have an intermittent problem on a Sime 100 boiler?

Have an intermittent fault on a Sime100 boiler. Sometimes works fine other times does not work at all for hot... [Read more]

hot water?

my halstead ace high boiler is okay for c,h but i cant get hot water when heating is on. i have to wait for bo... [Read more]

Hot water but no central heating?

Hi, having an odd problem with the heating today. i can get as much hot water as i want but cannot persuade... [Read more]