How to mend ... Dhw Ok Ch

Old 280 Worcester tripping out after 2 mins?

20 year Worcester 280 has allways tripped out on a regular basis and on pressing the reset button behaves itse... [Read more]

Old 280 Worcester tripping out?

20 year Worcester 280 has allways tripped out on a regular basis and on pressing the reset button behaves itse... [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]

Heatline solaris fault?

The snowflake icon is lit on the display but it isn't cold enough yet. DHW fires up to about 40 degrees and th... [Read more]

error code 5 on maxol supacombi he 28?

hi all . error code 5 keeps coming on when the boiler is either heating up dhw or ch . flame is light and wate... [Read more]

Ravenheat boiler ( ye i know there s*&%e )?

Hi Guys My Ravenheat boiler works very intermittently , it can run for most of the day , both DHW & CH , t... [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]

anyone help with Baxi 105 HE problem?

Hello new to this site - hope someone can help with this problem. Baxi 105 HE - ch stopped working, in dhw mo... [Read more]

Halstead ace high will not reset?

Hi, I have just serviced a Halstead ace high 30kw combi for a customer. I closed the gas valve to check 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]

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]

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

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]

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]

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]

glow worm compact 80e ?

glow worm compact 80e cuts out when changes from ch to dhw,then will reset after 30 mins

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]

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]