Bell & Gossett 189034LF Circulator Pump Bearing AssemblyThe Bell & Gossett 189034LF Circulator Pump Bearing Assembly is a dependable, lead free replacement part for hydronic systems. It is used on Item Circulator Pump; Model Brand 100; Part No HS 300G PL. Engineered for reliability in demanding heating and cooling applications, this bearing assembly helps restore smooth operation, minimize leaks, and maintain efficient flow. It includes a full set of components and seals for a quick, reliable replacement,

making it ideal for technicians who need fast

Easy install for quick maintenance and leak prevention

Invest in this reliable bellows assembly to maintain safe boiler operation

Key specifications include inlet pressure of 1–2 PSI

Connections: Female threaded unions on both ends for easy installation

35 in-lb (4 Nm) torque supports most damper sizes

Rated for 13

this heavy-duty thermocouple maintains stable readings in demanding environments

or model upgrades in residential water heating systems

This transformer converts a 250 VAC primary input to a robust 10

providing protection in typical commercial environments

Compatible with a range of Armstrong systems and other standard furnace configurations