Contractors should verify the hub bore size and rotation direction to ensure seamless integration into existing blower housings

Key Benefits High-Pressure Capability: Rated for a maximum abnormal pressure of 700 psig

Smith replacement sensors ensures the appliance operates within specified parameters

or visible cracks

the internal diaphragm or snap-acting contacts may have failed

Armstrong Fluid Technology 816303-317K Impeller Kit 320788-703 Contractors should verify the hubThe Armstrong Fluid Technology 816303 317K Impeller Kit is a precision engineered OEM replacement part designed to restore the hydraulic efficiency of high performance circulator pumps. This comprehensive kit features a 5. 25 inch Noryl impeller, a high strength thermoplastic known for its exceptional dimensional stability and resistance to corrosion and scaling in demanding HVACR systems. By utilizing an injection molded replacement impeller kit,