How to mend ... Main Combi He

no hot water upstairs?

when i turn on the shower or bathroom tap, the water is cold for a minute, then quite hot for a minute, then r... [Read more]

why does my boiler make a screeching sound?

my main combi 24 he boiler makes a screeeching sound when the heating comes on why?

Baxi 100HE Plus intermittant fault?

My Baxi combi has a problem in that it works fine at times, but sometimes (quite often) when you turn on the h... [Read more]

Combi boiler malfunction... no pilot light,no indication of power?

Main power supply trip switches look OK,changed 13 amp fuse in switch in combi boiler cupboard,still no neon l... [Read more]

combi not firing up?

Hi i was woundering if anybody could help me. My glow worm compact combi is playing up and has been for the p... [Read more]

main combi 24 he?

main combi 24 he? We have an erratic problem with the red flashing burner fail light. Heating fails and we ha... [Read more]

Main HE 24 Combi Smells of egg when hot water is run?

My friend has a Main HE 24 Combi and it really smells like rotten eggs, but not gas, when the hot water is run... [Read more]

Potterton puma 100 trips electric?

My 10 year old potterton puma 100 combi boiler will not work, no hot water, no heating (its b????? cold), repl... [Read more]

Alpha 24 eco combi boiler - Blowing quick blow fuse and 3a main fuse?

I have a lovely boiler which is now not working. The quick blow fuse keeps blowing along with the external 3a ... [Read more]

Saunier Duval SD623 keeps fusing main system?

Trying to ignite my combi boiler. every time I press ignite button it keeps tripping the main system. The fu... [Read more]

main combi 24 he?

We have an erratic problem with the red flashing burner fail light. Heating fails and we have no hot water. Bo... [Read more]

Vaillant GB2 EH - Got DHW but no CH and its freezin!?

Hi Guys - am in desperate need for tips on how to fix our Vaillant VCW-GB-282 EH Combi. Installed about Apr 19... [Read more]

how can i fix a fault on my ideal isar he24 combi boiler?

the main switch to the boiler from the wall is working but the the user control does not light up and every th... [Read more]

Boiler pressure issue (Worcester Greenstar Junior Cond Combi)?

Last night, I noticed 2 of my upstairs CH radiators were cool at the top, so I decided to 'bleed' air from the... [Read more]

need a wiring diagram for a main he boiler?

i got a main he system boiler. but it's only got combi connections. so how do you wire in the vales, programer... [Read more]

Sime Super 102 Main burner pulsing fault?

I have a SIME Super 102 combi boiler. When any DHW tap is opened the boiler starts up ok and pilot light comes... [Read more]

main combi boiler?

hi i had elec supply switched off to house for reairs in street yesterday and now pilot light turned off i hav... [Read more]

ravenheat combi model RSF 84ET?

my ravenheat combi is ok on central heating but the main burner keeps cutting out when on summer setting dom h... [Read more]

hailstead combi constantly running?

as soon as you turn the boiler on the heating kicks in,tested both mico s/w on the diverter valve, both ok, d... [Read more]

valiant combi when turned on trips power in consumer unit?

when turned on combi trips main breaker any ideas please?