Search results

Will I have to use one of these? https://www.screwfix.com/p/lap-mas830b-digital-multimeter-600v/75337 I will have to check around for a fused spur. There is one below the unit but it's for the boiler itself. Could I try and connect some of the terminals in order to send an ignition signal to...

Hi, My Honeywell HCW80 relay unit is not lighting up at all when I press or hold the button. I believe this fault is causing my central heating to have stopped. Looking behind the cover, things look fine, but I'm no expert. What would be the best course of action here? Picture of the relay unit...