How to mend Dhw Combi Boiler

1

Sime super 90 combi boiler, low water pressure from dhw taps?

I have just replaced the diaphram in the Diverter valve, but still have very low pressure and no running water... [Read more]

6

Chaffoteaux Britony combi?

Hi, I can't work this out. The boiler has problem running in DHW and CH modes. It tries to start several times... [Read more]

1

Britony Combi 80 DHW Tepid?

My Britony Combi 80 won't heat the domestic hot water to the correct temp. Tepid only. The boiler kicks in ok ... [Read more]

4

ferroli modena 80 e blowing fuses and no power to fan?

I have a 5 year old ferroli modena 80 e combi boiler and it recently stopped working. Checked the fuse on the ... [Read more]

1

central heating not working?

I have a biasi 24s combi boiler. Dhw working but heating not working, flow pipe from boiler and first radiator... [Read more]

3

DHW sometime hot, sometimes not?

Hello, I've got an Ocean Alpha 240eco combi boiler. The DHW has gone tempromental, sometimes it gets hot som... [Read more]

2

i have a glow worm swift flow 80 combi boiler, need help to repair?

dhw was intermittent and now i'm lucky if the heater fires up at all the pilot light is ok , i have fitted a n... [Read more]

1

Biasi boiler M90f.28s, thatwon't fire up!?

my combi boiler will give me dhw okish but the water temp knob and therefore the volume of gas to the jets r... [Read more]

1

unburnt gas in flue gases, glow-worm 100e electronic combi?

Boiler fires ok on DHW and CH, plenty of hot water and no unburnt gas in flue gases on DHW, but in CH mode boi... [Read more]

51

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

4

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

3

Boiler keeps going on & off?

ALPHA 280E - COMBI BOLER When my CH & or DHW is on the boiler fires then when reaches temperature stops - it ... [Read more]

4

Potterton Performa 24 combi boiler on off cycling problem?

My Potterton Performa 24 combi boiler ignites correctly but only stays on for a minute initially then switches... [Read more]

1

How can I fix my Vokera 24/96 Flowmatic combi?

The system losses water pressure intermittantly (according to the gauge on the boiler) although it seems to be... [Read more]

2

Ravenheat combi boiler LS80T (Little Star) 3 way valve emergency valve?

I was replacing the low water pressure switch on my ravenheat combi boiler and found it clogged with that magn... [Read more]

4

Where can I get a manual for my Vaillant VCW GB 242 EH combi?

I have a Vaillant VCW GB 242 EH combi which is acting up. Just had a guy replace the pressure release valve fo... [Read more]

2

Worcester combi 240?

After you draw off DHW the pumps cuts in to remove residual heat, but at times it continues to run and the boi... [Read more]

3

My Alpha combi boiler has very low water pressure at the DHW hot tap?

My Alpha Ocean 280p Combi Boiler has a very low DHW pressure and flow. I have checked the cold water inlet fil... [Read more]

19

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

2

britony combi 100?

britony combi 100.boiler in DHW mode all the time therefore the CH doesnt come on?