Integrating this thermal overload protector maintains the operational integrity of the heating system by preventing recursive overheating cycles

which is critical for proper centrifugal fan operation in inducer housings

028-inch orifice is optimized for natural gas consumption of approximately 2

preventing coil issues

making it a critical component for medium and high-temperature refrigeration systems

Armstrong Fluid Technology 816304-317K Plastic Impeller Els PW 17895 Integrating this thermal overload protectorThe Armstrong Fluid Technology 816304 317K Plastic Impeller is a precision engineered circulator pump replacement part designed to restore peak hydraulic efficiency to your HVAC system. This 5 1 4" Noryl impeller is manufactured from high quality, non ferrous composite materials, offering superior corrosion resistance and durability in demanding hydronic applications. As the official 816304 317K maintenance kit, it serves as the direct OEM pump