The Bell & Gossett NBF-22 is a single-speed, wet rotor circulator pump featuring a durable bronze body specifically designed for potable water applications. With a 1/25 HP motor and polypropylene impeller, it delivers reliable performance for residential and light commercial heating and cooling systems on 3/4" through 1-1/2" pipe connections.
Engineered for superior reliability, the NBF-22 provides up to 80% more starting torque than competing circulators, ensuring dependable startup even in demanding conditions. It serves as a direct replacement for Armstrong #ASTRO 30B, making upgrades and retrofits straightforward.