Bell & Gossett NBF-22 Circulator PumpBell & Gossett NBF 22 Circulator Pump is designed for dependable hot water circulation in residential and light commercial heating, cooling, and potable water systems. This in line circulator with a wet rotor delivers efficient, quiet performance, helping reduce energy costs while maintaining comfortable indoor climates. Built with a rugged bronze casing, a ceramic shaft, and a Noryl impeller, it resists corrosion and provides long service life. The

Compatible with Comfort-Trol CT-24

unobtrusive design focuses on dependable performance without distraction

Drive: Direct

Diaphragm-actuated pressure reducing valve

Engineered for durability and easy replacement

Materials & components: Die-cast aluminum body

120V burner circuit compatibility for easy integration with standard oil boilers

consistent flame control and dependable temperature regulation

setpoint 50–90°F

Includes diaphragms

Lead Wire: 30 Inch Non-Stick Insulated Lead Wire

Built to match original specifications