How to mend ... Boiler Main Combi

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]

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]

ALPHA CB 24X COMBI?

Now the heating is swithced off & the setting is for hot water only , the boiler started to turn the heating o... [Read more]

how to fix low hot water pressure on a combi bolier?

new wochester boiler,but cold main coming into the house is low,so the hot water pressure on the boiler is low... [Read more]

how to fix main e 2 combi?

my combi boiler main 24 he will not ignite when water is turned on i have tried the reset button but still doe... [Read more]

How can i fix my combi boiler vokera excell 80sp?

I now know that either the pressure differential switch or the fan has ceased to function correctly on my comb... [Read more]

How can i fix my combi boiler, Vokera excell, 80 SP?

The boilers pilot light works but the motorised valve allowing the main gas in does not open for heating or ho... [Read more]

Dirty Water from taps. Worcester 24i RSF Gas Boiler?

I have a Worcester 24i combi-boiler that is about 8 years old. Lately, I have been getting dirty water from... [Read more]

baxi 105e combi boiler pump over run always on?

the pump will always run on a demend condition even though the heating or hot water is still off.I was wonderi... [Read more]

How to wire a room thermostat?

Hi, i have a Ravenheat csi 120 (t) low nox combi boiler but there is no room thermostat so i have bought a Sal... [Read more]

Why doesn't my worcester 350 give hot water?

I have a worcester 350 combi boiler and programmer. It recently decided to stop delivering hot water. When a h... [Read more]

Sabre 24 Combi boiler problem?

With the filling loop removed on my 18 month old SABRE 24 combi the pressure gauge on the heating circuit cont... [Read more]

Ravenheat RSF84ET combi boiler, what's wrong with it??

Hi, no heating or h.w. Corgi plumber replaced 'gasvalve pcb' and 'main pcb' yesterday, got it working, but it ... [Read more]