98237859
Oct 24, 2023
heating systems for buildings comprising a hydronic heat transfer coil, a pump for circulating heated fluid from a source of heated fluid through the hydronic heat transfer coil, and an electronic controller that controls the pump, the source of heated fluid, and a blower that circulates air across the hydronic heat transfer coil; hydronic heat transfer coils as part of heating or cooling installations; plumbing fittings, namely, valves
Environmental Control Apparatus