How to mend ... Ch Gets Sometimes

valient turbomax 242eh central heating will not operate once it reaches tem?

242 eh installed with 3 rads the boiler works fine in hot water when in ch and hot water mode ch reaches temp ... [Read more]

Ariston SX20 mffice hot water ok but no CH?

My eurocombi operates in hot water mode ok. When you switch on the heating the fan runs but the boiler does n... [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]

vokera combi hot water issue?

Hi My hot water tap has to be on full flow in order to trigger the boiler to fire up. Can it be adjusted to f... [Read more]

Boss Therm BPS242RF showing wireless connectivity but not switching on CH ?

Had a problem with the reciever on a Boss Therm BPS242RF showing green LED indicating wireless reception and o... [Read more]

Ravenheat 85t combi. no CH but hot water is perfect ?

My boiler is not giving me CH but the hot water is fine, i spoke to my local plumbing center and he reccomende... [Read more]

Potterton performa 28 keeps cutting out?

My Potterton performa 28 fires up for approx 15 seconds then stops. After maybe 30 seconds it will fire up aga... [Read more]

ravenheat csi 85at?

Ravenheat CSI 85AT DHW comes on sometimes slightly better when CH on, fan ok, gas valve ok, DHW and CH sensors... [Read more]

boiler cuts off?

boiler cuts off and red boiler shut down light comes on after a few seconds of switching boiler on resulting i... [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]

ravenheat ?

2003 LS100 CH working ok! ask for DHW the pipe from the 3 way valve up to the heat exchanger gets very hot wit... [Read more]

heating, no hw on 24i junior?

I used the shower this morning, washed the dishes etc., everything was fine. Then the hot water failed. Ch wor... [Read more]

How can I fix my mega flow HW/CH pressure problem?

The pressure gauge keeps dropping rapidly to zero and the boiler turns itself off. I have topped up the press... [Read more]

Potterton Profile 80E Starts OK on HW but not on CH?

Boiler would start (fan running for 20 seconds) but would not complete the ignition cycle. Replaced the PCB. A... [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]

No Hot Water But CH is normal???

My Vokera Linea 735 boiler isn't heating up the hot water but the central heating is working perfectly. There... [Read more]

24i junior problem?

boiler hung and fitted all connections good filled and vented system and boiler .no external controls. therefo... [Read more]

Why won't my ideal boiler heat water or CH?

My boiler has decided that it no longer wants to give us hot water or CH. We have gas, and have reset it and h... [Read more]

Ravenheat 84E boiler not firing up?

Hi can anyone help boiler is not firing up with ch or hw fan working , pump working pilot is sparking and has ... [Read more]

pressure vessel will not pump up?

Have tried to re-charge pressure vessel using pump, closed ch flow and return valves. can not get any press... [Read more]