How to mend ... Ch Gets Sometimes

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]

Glow-Worm 30cxi combi boiler. No hot water.CH ok?

Turning on hot tap produces 30 secs.tepid water, then permanent cold. Central heating fine. Pressure 1.5 bars.

Biasi Riva Compact M90E.24S?

Repaired leak in CH system refilled to 1 bar followed instruction manual to ignite ,no luck, reset as manual s... [Read more]

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]

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]

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

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]

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]

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]

glowworm ultimate keeps firing any time?

GLOWWORM ULTIMATE It keep firing up when hot water & ch should be off. eng put a new circuit board in last ... [Read more]

Spectrum Fuel-Miser Mk IV?

My central heating system has a Spectrum Fuel Miser Mk IV which provides: . Electronic temperature control of... [Read more]

My halstead ace30 DHW not getting hot ?

The boiler fires up ok but the water I only Luke warm the CH is ok tried altering the control an resetting but... [Read more]

worcester greenstar?

my worcester greenstar 440 drops pressure when the hw is used it starts to make a noise like the pump is runni... [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]