I have a multi-stage HydroAir system. Should the circulating pump on the hot water line to the water coil turn on every time the heat kicks on or will it sometimes not run when in the 40% mode?
Printable View
I have a multi-stage HydroAir system. Should the circulating pump on the hot water line to the water coil turn on every time the heat kicks on or will it sometimes not run when in the 40% mode?