Armstrong Fluid Technology 816304-321 Plastic Impeller 323613-751 Construction Quality: Robust housing designed

Construction Quality: Robust housing designed to withstand the vibration and thermal cycling typical of outdoor condenser environments

This bronze safety valve features a 1 1/4" Male NPT inlet and a 1 1/2" Female NPT outlet

Modern Replacement: Specifically optimized to replace the legacy FSAF24-S model with improved efficiency and standard wiring

this spring return actuator provides 18 in-lb of torque

Armstrong Fluid Technology 816304-321 Plastic Impeller 323613-751 Construction Quality: Robust housing designedThe Armstrong Fluid Technology 816304 321 Plastic Impeller is a precision engineered circulator pump replacement designed to maintain peak hydraulic performance in your heating and cooling systems. This 4 3 4 Plastic Impeller NFI is constructed from high grade, corrosion resistant Noryl material, ensuring optimal pump efficiency and long term durability in demanding HVAC environments. As a critical component for fluid flow systems, this lightweight