Armstrong Fluid Technology 816322-111K Impeller Kit 320788-704 it is functionally equivalent and

it is functionally equivalent and designed for the same 16-inch burner housing

By utilizing the 302-306 valve rebuild components

Key Benefits for the Contractor: Vandal-Resistant Design: The stainless steel wall plate provides superior protection against physical damage in public spaces compared to vented plastic housings

Always verify your supply voltage before powering the unit to prevent damage to the PCB

Armstrong Fluid Technology 816322-111K Impeller Kit 320788-704 it is functionally equivalent andThe Armstrong Fluid Technology 816322 111K Impeller Kit is a high precision OEM replacement part designed to restore hydraulic efficiency in centrifugal circulator pumps. This universal kit features a 3. 35 inch (3 3 8") Noryl impeller, specifically engineered for Armstrong Series S and H models, including the S 34, S 35, and H 32. As the advanced successor to legacy parts 816322 111 and 810119 003, this kit provides a complete solution for