When you are dealing with a "no heat" call or inconsistent modulation

As a gas valve without orifice

As a high-performance flow control accessory

Reduces compressor wear and tear by minimizing frequent start-stop cycles through effective capacity modulation

Armstrong Fluid Technology 816305-328K Impeller Kit 323613-751 When you are dealing withThe Armstrong Fluid Technology 816305 328K Impeller Kit is a precision engineered OEM replacement part designed to restore the hydraulic performance of your Armstrong S 45 Series pumps. This comprehensive centrifugal pump repair kit includes a 3. 88 inch plastic impeller, specifically molded from high strength polymers to resist corrosion and erosion in hydronic environments. To ensure a leak proof installation, the kit comes complete with a