Bell & Gossett NBF-36 Circulator PumpThe Bell & Gossett NBF 36 is a 120V, 1 6 HP three speed bronze lead free circulator designed for reliable hydronic performance in home heating, radiant flooring, and cooling loops. This model replaces 103401 and fits standard installations, delivering smooth flow across a range of system pressures with dependable operation. Ideal for upgrading single family homes, multi zone heating, and radiant floor installations, the NBF 36 offers straightforward

OEM replacement part for quick

Used On: 1/2 to 3/4 Inch Float and Thermostatic Radiator Traps

it serves as a trusted part for service and maintenance

Media – fuel gas

With 35 in-lb torque and 95° rotation

8 inches wide by 5 inches tall

Designed for reliable performance in demanding environments

Its compact form fits tight spaces and is compatible with common control boards

reducer bushing kit

Durable construction: Corrosion-resistant materials for long service life

Compatibility: Fits Bell & Gossett HV circulator pumps

Built with a compact flange-mount design