How to mend ... Ch Boiler Switch

Potterton puma boiler hw but no ch?

Hi my boiler will run for hot water but not for ch. Have fitted new micro switch,and the flow pin connects an... [Read more]

Valliant Turbo Max Non Condensing RS boiler?

I have hot water but no CH. The CH turns on and temp rises to 79 degrees and then starts to drop and the CH se... [Read more]

Halstead ace high burner problem?

I have a Halstead ace high combi boiler. I have replaced the diaphrams in the flow switch CH & DHW and removed... [Read more]

Central Heating Not Firing Up?

My Ravenheat Combi Boiler is not firing up on the CH - the hot water works fine. I have checked the room stat ... [Read more]

No hot water & central heating - Sime Super 90 combi boiler?

Combination boiler is 9 years old, no hot water or central heating. When hot tap turned on switch clicks but p... [Read more]

no tap hot water baxi combi 80 eco?

hot water problem. ch is fine. when i call for hot water the boiler wont fire up. switch on ch and you have ho... [Read more]

Hot water problems on Alpha CB24 X Boiler?

When boiler on "auto" or "timer" mode, there is no hot water when tap turned on until the pump kicks in for th... [Read more]

How can I fix my Potterton Profile Prima boiler? Pilot light won't ignite?

I have had an intermittant problem with the pilot light on my Potterton Profile Prima boiler. Something (unkno... [Read more]

ravenheat ls 80t white star?

can anybody help out there my ch has stopped working recently after a few suggestions from yourselves ive twid... [Read more]

Vaillant Turbo Max Problem?

Hi, I had a classic case of a diverter valve problem. No DHW - the plastic arm wasn't engaging the micro switc... [Read more]

worcester bosch 24i intermittent ignition?

Hi, My WB24i has an intermittent ignition fault developed over the last few weeks. the DHW demand seems ... [Read more]

Ideal mini c24. intermittent CH, main green flashes normally?

Hi The Ideal mini C24 boiler is about 4-5 years old. Its been working intermittently for the last couple of y... [Read more]

modena 102 combi flame failure?

this boiler is 10 years old and now the flame fails on a reqular basis whether using HW or CH. The fan has bee... [Read more]

cant start ravenheat condensing primary boiler?

The boiler is under 2 years old,green light comes on when heat is called for and thats it.Fan spins for about ... [Read more]

Potterton 16/22 - won't light?

Hi there, Yes it's an old boiler, but there's not money to change it or even call anyone out. I'm on the ve... [Read more]

Problem with Britony combi se 80 low water pressure CH?

Pressure switch tested ok as it makes a circuit the P.C.B has been changed with a brand new board but the same... [Read more]

how to fix halstead ace boiler?

the ch is working but the hot water only works if the ch is on.what could be wrong. Could it the the flow swit... [Read more]

Potterton Puma 80 - No hot water?

Potterton Puma 80 works fine with central heating, but without CH on, it does not produce hot water. At hot wa... [Read more]

My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]

How do I stop my Ferroli Modena 80 E gas boiler sparking once it is lit ?

The boiler recently stopped firing up on DHW and CH. When I moved the flame sensor electrode cable at the main... [Read more]