hi I have replaced my timing device. the boiler works when I operate it from the boiler. the timing device has power and works but does not seem to switch on the ch
i have a potterton 80 boiler and i have connected a honeywell timing device
help
have i just wired up the timing device incorrectly
i have a potterton 80 boiler and i have connected a honeywell timing device
help
have i just wired up the timing device incorrectly