How to mend ... Ch Gets Sometimes

Problem after changing ch pump on a grundfos pump plan?

I have now changed the central heating pump twice in the last week on my grundfos pump plan installation using... [Read more]

Ravenheat csi 85t?

No ch,no hot water,green power light on,red light stays on/lockout.no 240v at pump or fan.checked fuse,changed... [Read more]

potterton performa 28 boiler?

hi there my boiler fires up constantly once the electric is switched on,cannot control it from the room thermo... [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]

My ferolli modena 80e will not ignite?

my boiler will not ignite, the pressure is og, keep trying the reset swith but red light keeps coming on, no H... [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]

can you fit a 85 without using thedhw side?

can you fit a csi 85 boiler and just use the ch side not pipping up the dhw side

central eating gauge has gone to 3.5 need to re-pressurise?

gauge has gone to 3.5 when i turn hot tap on with the CH still on it goes to 4 and above silver pipe conected ... [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]

diy plumbing?

Vokera Linea 24 Hot water runs hot and cold and does not fill a basin. CH engineer has diagnosed sludging. A m... [Read more]

Ferroli 80E water cut off switch, leaking at union?

Hello my ferroli modena 80E has gradually developed a leak at the top of the water cut off switch / flow sen... [Read more]

Luke warm water Halstead Ace High?

Last week we had intermittent hot water CH fine, we replaced the pcb board & still no change so we replaced th... [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]

potterton ep20001 programmer wont light hw?

my programmer will not light up the HW side of the display after a power out. If I select hw it switches the c... [Read more]

Biasi M90F.24s?

Boiler was running ok! then sprang a leak that was traced to the main flow switch membrane. This was replaced ... [Read more]

Worcester 240?

Hi, My Worcester 240 boiler is playing silly buggers. The pilot light is working but the main burner will ... [Read more]

My sabre 29he boiler is cutting in and out every 8 to 10 seconds?

I have a sabre 29he boiler its going thru the start up process with flame and fan then it cuts out the red lig... [Read more]

I have a potterton profile 80el short cycling 1 min 'off' 1.5 min'on'?

Replaced pump (sticking)and heat exchanger (leaked). Since these changes the boiler started short cycling - ... [Read more]

Groaning Ariston Boiler?

Our 3-4 yr old boiler has started making groaning noises. HW & CH appear to be fine. Any ideas?

ariston microgenus 27 MFFI?

I have had this boiler in now for 12 years and it has ran perfect, the problem now is when it runs on the ch n... [Read more]