How to mend ... Best Boiler Thermostat

red light keeps coming on on the boiler, can reset it but comes back on ?

Had it serviced and no fault was found, had a thermostat changed and it still comes on. No hot water and no ce... [Read more]

Netaheat Profile 80e not lighting when call for heat?

I have a 20 year old Potterton Netaheat Profile 80e. Boiler heating water OK all summer. Wanted CH on today ... [Read more]

boiler lights, but just ticks over, IE: it won't go to full flame?

The boiler is a Radiant RS24. It lights, but stays on tickover. We've had a new pcb, limit thermostat and heat... [Read more]

Vaillant ecotec heating water but not radiators?

I have a Vaillant ecotec boiler. I'm getting hot water from it, and it's evidently receiving instructions fr... [Read more]

how to fix my reno HE30C combi series johnson & starley ?

my boiler is all on. my hot water is fine. but when i flick the switch up to put central heating on its not tu... [Read more]

greenstar ri wall hung rsf gas-fired condensing bolier?

The boiler had a full service in april 2010 everything fine, until I put radiators on sunday last.Radiators se... [Read more]

Boiler not firing up?

Hi, I have a 28i with a drayton wireless thermostat system. The thermostat is working fine as I have checked ... [Read more]

fix Worcester 350 combi boiler ?

I have a Worcester 350 combi. Heating operates fine. Hot water runs fine except for the shower. Think reduced ... [Read more]

Glow-worm Space Saver 50-60F?

When the boiler fires up, there a buzzing/vibrating sound. It seems to be coming from the metal box on the bot... [Read more]

Baxi Boiler Boston How to use water heating only?

If I switch the room thermostat on the radiators come on & the water heats up. If I switch the thermostat off ... [Read more]

Heating not working. Worcester greenstar 24i junior?

The hot water still works but the heating doesn't come on. Wireless thermostat has been reset and looks like i... [Read more]

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

control knobs ferroli modena 80e combi boiler?

hi hot water/thermostat knobs have come off my ferroli modena 80e combi boiler where can i get replacements an... [Read more]

ravenheat csi 85?

hi I need help with my boiler. When i run the hot water the boiler lights normal but the high flame on the b... [Read more]

heatline c28?

just had a heatline fitted now i need a thermostat - the one i have on the wall from my old boiler is for a gl... [Read more]

Connecting Honeywell thermostat?

On a Potterton Profile 60 gas boiler. Where do I connect the electrics to the relay of a Honeywell wireless t... [Read more]

problem with boiler?

i have a firebird heatpac slimline oil fired boiler sighted outside, The problem is that it fires up runs for ... [Read more]

Potterton Performa 30 HE Central Heating Sensor?

Hi all, I'm experiencing some intermittent problems with my Potterton Perform 30 HE. If anyone could advise... [Read more]

Ravenheat LS100?

When I turn a hot tap on the boiler starts up runs for approx 10 seconds then switches off then fires back up ... [Read more]

combi boiler rsf 82et not working correctly?

my combi boiler is not working correctly, everytime you turn the tap on.its pot luck if you get hot water or n... [Read more]