Description
The Armstrong Fluid Technology 110223-310 (ASTRO 225SSU) is a 115V single-phase, three-speed circulator pump designed for hydronic heating and cooling systems. Built with a stainless steel wetted-rotor construction, this unit is engineered for corrosion resistance in closed-loop HVAC applications. It operates at 0.69 full load amps with an 83-watt input and is intended for energy-efficient circulation in residential and light commercial systems. The pump features maintenance-free operation and is designed for installation with union fittings to simplify service and replacement.
Key Features
- ASTRO 225SSU stainless steel circulator pump
- 115V single-phase electrical operation
- Three-speed motor for adjustable system flow control
- 0.69 full load amps, 83 watts energy-efficient operation
- Stainless steel construction for corrosion resistance in hydronic systems
- Designed for installation with union fittings for easy service and replacement







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