Description
Astro 2 220SSU variable three-speed, single phase stainless steel circulator pump for residential heating and cooling with a 3/4″ sweat 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.
