Armstrong Astro 2 115v, 1PH In-Line Booster Pump 110223-310

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Astro 2 225SSU variable three-speed, single phase stainless steel circulator pump for residential heating and cooling with a 1-1/4" union connection. Armstrong Astro 2 pumps have a flow rate of up to 64 GPM, a maximum of 42 feet of head, ceramic bearings and shaft, and Noryl impeller. An e-coating on the inside of cast-iron volutes provides enhanced corrosion protection for improved reliability and a high-flow check valve is pre-installed. Show more