Lochinvar & A.O. Smith 100133618 Pump 321894-706 Precise Flow Direction: Minimizes bypass

Precise Flow Direction: Minimizes bypass leakage between suction and discharge lines to maintain system SEER and EER ratings

Can this unit be used for both toxic and combustible gases

This process is critical for preventing common contractor headaches like cavitation and system noise in recirculating water loops

this unit features a snap-acting SPDT switch that ensures positive electrical contact for burner control or alarm signaling

When 480V power is applied

Lochinvar & A.O. Smith 100133618 Pump 321894-706 Precise Flow Direction: Minimizes bypassThe Lochinvar and A. O. Smith 100133618 is a heavy duty 3 4 HP circulator pump engineered for demanding hydronic heating and commercial water heating applications. Specifically designed for high head requirements, this centrifugal pump maintains consistent flow rates across complex piping geometries, ensuring optimal heat transfer within the heat exchanger. This OEM replacement pump is a direct fit for various Lochinvar Knight and Copper Fin models,