Fitter30
Well-Known Member
Thermostat set a temp push hold that will take it out of time schedule. Just to the right of the expansion tank 16" there are two pipes going into the boiler, top of pipes are tees to the right is return piping left of the tees are supply.
Thoses pipes should be very hot 130*- 107* with boiler running
Thoses pipes should be very hot 130*- 107* with boiler running