Armstrong Fluid Technology 816304-321 Plastic Impeller 323613-751 Smith 100111217 Blower Kit is

Smith 100111217 Blower Kit is the direct OEM replacement engineered specifically for Cyclone BTH series water heaters and compatible Lochinvar Knight boilers

this dual-stage gas valve can be converted for Liquid Propane applications using the manufacturer-specified LP conversion kit

this spring return actuator provides 18 in-lb of torque

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

Armstrong Fluid Technology 816304-321 Plastic Impeller 323613-751 Smith 100111217 Blower Kit isThe 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