I have recently replaced my old single channel timer with a 2 channel timer.
when the CH comes on at a seperate time to the HW, the timer only activates the CH Pump and doesn't fire up the boiler.
Any ideas?
If I turn up and down the room thermostat it just switches the CH pump on and off.
when the CH comes on at a seperate time to the HW, the timer only activates the CH Pump and doesn't fire up the boiler.
Any ideas?
If I turn up and down the room thermostat it just switches the CH pump on and off.