Armstrong Fluid Technology 816304-321 Plastic Impeller 328140-751 this "Relay in a Box"

this "Relay in a Box" features a Class 2 dry contact input

slip-free movement

Its robust construction ensures precise alignment of the furnace electrode kit relative to the atomized fuel spray

This kit serves as the direct technical successor to the legacy 023-0104-01 part number

Armstrong Fluid Technology 816304-321 Plastic Impeller 328140-751 this "Relay in a Box"The 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