This three speed circulator pump features a rugged cast iron pump body with an internal e-coating for superior corrosion resistance and long-term reliability

Precision Machined: Specifically configured with a 1/4 inch keyway to prevent slippage during high-torque startups

and Quaker branded units

Common Questions What is the bore diameter of the Lennox 49M62

This high-flow valve core features a robust brass construction and a 1/2-inch connection size

United Electric J40-230 Pressure Switch R-134A This three speed circulator pumpThe United Electric J40 230 Pressure Switch is a high performance 0 100 PSI mechanical pressure switch designed for critical monitoring in industrial HVACR and process control systems. Engineered with a durable phosphor bronze bellows and brass 1 4" NPT female pressure connection, this unit ensures reliable set point repeatability within a compact skeleton construction enclosure. As the direct updated version of the legacy J40 2309624, the J40 230