116451MF-842 Armstrong H-54-1 Cast Iron Pump 3/4HP 230V ECM Motor.Armstrong In-Line Circulators are apart of the Series H. The 116451MF-842 Armstrong H-54-1 Cast Iron Pump 3/4HP 230V ECM Motor is suitable for hydronic heating and cooling, domestic water systems, multi-stage zoning and general industrial service applications. Built using a standard three-piece design that features a radially-split body, oversized shaft, centrifugal impeller, positive mechanical seal and modular construction, Armstrong Pumps Series H Circulators are a trusted, durable product that have been used by HVAC professionals for decades.
- Standard three-piece design
- Radially-split body: Can be left in-line while servicing pump, eliminating disconnecting of pipes
- Oversized shaft: Made from special alloy steel
- Centrifugal impeller: Ensures maximum water delivery in the HVAC system
- Positive mechanical seal: ARMseal construction ensures many years of noise-free, trouble-free service
- Modular construction: Unique shaft and bearing module fits for ease of serviceability and reduced inventory costs