How to mend ... Combi Boiler Dhw Problem

worcester 24i rfs combi problem?

i have fault with my 24i combi. when demand on either ch or dhw is on, the boiler fires, lights but keeps on s... [Read more]

sime super 90 water??

Hi I have a sime super 90 combi boiler that has heating but no hot water, could someone help??? I have change... [Read more]

Why does my Aplha 280E Boiler fail to light now & again?

My Alpha 280E boiler has the following problem -9 times out of 10 it is OK. Sometimes, you switch on the combi... [Read more]

Hot water cutting out after 20 - 30 secs, but coming back on 20 secs after?

We have a Baxi Combi 80e boiler which fires up okay, but after about 20-30 secs the hot water goes cold. This... [Read more]

why does my combi boiler run a full pelt?

I have an alpha 240 eco combi boiler. On Monday i came home to find the heating had stopped working. On inspec... [Read more]

No hot water on my worcester/Bosch combi 24i?

Boiler has been working fine for the few years we have been in this house. Every thing was fine until last wee... [Read more]

Why does my boiler go g-g-donk and then lock out?

My Chaffoteaux & Maury Britony combi has an intermittent problem. About a minute after turning hot water off, ... [Read more]

Water pressure on a Sime 100e combi-boiler?

... after replacing the diverter valve diaphragm, dhw heat exchanger and cleaning the inline filter I'm still ... [Read more]

Air pressure switch?

air pressure switch problem i think but any advise would be greatful. When both air tube (red/white) are conne... [Read more]

vokera 80 e combi boiler no hot water?

You have told me that the problem could a faulty flow valve. I have just had the dhw microswitch replaced, is... [Read more]

Faulty baxi 105e combi boiler?

No problem with either DHW or CH starting but it gets to desired temp then flame goes out and the temp leds so... [Read more]

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]

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]

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]

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]

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]

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]

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]

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]

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]