How to mend ... Demand Ch Boiler

Baxi 105e?

I have a Baxi 105e boiler, it has started to heat the radiators when the hot water tap is run. I've replaced t... [Read more]

Vaillant igniting issue ( domestic ) not CH?

Hello to everyone, I have a Vaillant sine 18 T-3 combi boiler that was installed in 1985. Have had parts repl... [Read more]

Boiler Vaillant 824e turbomax ?

central heating has stopped working. it was connected with wireless thermostat, intially i thought something i... [Read more]

Potterton perfoma 30HE?

Had new heat exchanger put in. When CH is switched on the boiler runs for a minute and cuts out, goes into mod... [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]

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]

How can i fix my Ariston A23 Mffi E Combi boiler NO DHW URGENT?

No Dhw, runs cold after a few minutes when demanded either alone or with CH demand, the burner continues to ru... [Read more]

halstead ace high problem?

Hi, I have a problem with my hot water and heating. The Halstead Ace High boiler does not come on when a deman... [Read more]

GlowWorm 24ci boiler high pressure fault?

With the boiler left on, i.e. no demand for DHW or CH, the pressure will remain constant, set at 1.0 bar. Whe... [Read more]

problem with Vailant eco Tec 831?

have DHW, pressure fine 1.4 but have no CH, boiler fires up on demand and turns off, have no fault code only f... [Read more]

baxi 105e safety thermostat fault light?

my baxi 105e combi boiler is desplaying the safety thermostat fault light. when there is HW or CH demand the... [Read more]

Hot Water Problem with Ideal Isar He24 Combi?

Hi, Can anyone help? A friend of mine is having problems with her hot water supply from her Ideal Isar He2... [Read more]

Vaillant Turbomax 828 problem?

This is a strage one! I am not sure whether my diverter valve is on the way out or whether something else is c... [Read more]

Ravenheat CSI 85AT fires up and goes of every 20 seconds?

I have a Ravenheat CSI 85at that is just over 3 years old. This is the one that does NOT have the honeywell ga... [Read more]

Ravenheat CSI 85T not firing?

Our Ravenheat boiler has given up on CH and HW. There has been an intermittent fault (fault described below) f... [Read more]

The CH Demand light keeps flashing slow and cutting off the heating?

As above, when you hold down the red button the boiler re-starts, but after a varied time the boiler cuts out ... [Read more]

How Can I Fix A Potterton EP2002 Heating System?

My daughter has a Potterton EP2002 system with a Potterton Suprima 40L boiler and a MPE322 diverter valve. Th... [Read more]

potterton performer 24kw HEcombi?

Hello ,is there any quallified heating engineers out there who may know wat this fault is. no hot water,the p... [Read more]

ariston microgenus 23mmfi no ignition?

When demand for ch /hw? boiler will go through all sequences, opening gas valve to soft light 5mb, but there ... [Read more]