How to mend ... Wire Combi Boiler

drayton scr not working?

hi i have a combi boiler with drayton wireless thermostat, the stat ans receiver don't seem to be communicatin... [Read more]

wiring danfoss 103 timer to a danfoss ret230p thermostat?

I have a Sunier Duval SD 620 combi boiler and have a Danfosse 103 timer ~ old but reliable ~ Im fitting a Danf... [Read more]

wiring danfoss 103 timer to a danfoss ret230p thermostat?

I have a Sunier Duval SD 620 combi boiler and have a Danfosse 103 timer ~ old but reliable ~ Im fitting a Danf... [Read more]

Wiring a Danfosse 103 timer to a Danfosse RET 230P Thermostat?

I have a Sunier Duval SD 620 combi boiler and have a Danfosse 103 timer ~ old but reliable ~ Im fitting a Danf... [Read more]

wiring a second heating pump?

I have a halstead combi boiler which runs my radiators. I have put in underfloor heating pipes to a pumped man... [Read more]

Room stat query regarding a relay?

Need to fit a ferroli combi for a customer, the only thing is the combi also goes through two zone valves to g... [Read more]

how to wire in a room thermastat into a biasi 24s combi boiler?

i have a biasi 24s combi boiler but no room thermastat i have rang many people to try and get one fitted but n... [Read more]

isofast condens 35E displays ignition fault 01?

My isofast condens 35E combi boiler intermittently displays an ignition fault 01 and has been doing since it w... [Read more]

How do i wire in a thermostat to my halstead combi boilder?

I am woundering if anyone can tell me which wires to tap into on my halstead combi boiler to fit a thermostat?

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]

How to wire in a Glow Worm climapro rf?

I have purchased a climapro rf for a Glow worm combi boiler and in the manual is shows that you have to wire t... [Read more]

How do you fit an external switch to a Grundfos 15/50 pump?

How do you fit an external switch to control the variable speed on a Grundfos central heating pump fitted to a... [Read more]

vaillant VCW GB 240 X H combi boiler?

I have a valient combi boiler and want to set up a timer for the central heating at the moment it is completel... [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]

There's no power into the plug socket at my combi boiler (electric)?

There's electricity at the red wire (live wire?) in the consumer box but not at the other end of the wire wher... [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]

How can I get operator/service manual for DIA20 combi boiler?

Looking to download service and operators manual for Ariston combi boiler DIA 20 MFFI CE to hard wire in a roo... [Read more]

wireing diagram for a ferroli domicompact f30?

I have a ferroli domicompact f30 boiler with a convensinal central heating system. i have lately instaled unde... [Read more]

I'm having a problem with my Ariston A23 MFFI Combi Boiler?

I recently fitted a new panel to the combi (it has the main on off switch on it and sends the signal to make i... [Read more]

Worcester Bosch Combi 350 Boiler keeps cutting out?

Hi there, We have the above named boiler and have had 2 WB technicians in this week to look at it and neith... [Read more]