Armstrong Pumps S-55-3 All Bronze 3-Phase In-Line Pump, 1/2 HP, 208-230/460V (Lead Free)

This Armstrong In-Line circulator is suitable for domestic hot water systems. It is built using a standard three-piece design that features a radially-split body, oversized shaft, centrifugal impeller, positive mechanical seal and modular construction. This circulator has been used by HVAC professionals for decades because it is cost-effective, durable and easy to maintain. Features: Maintenance free design which has permanently lubricated ball bearings and requires no maintenance at all Radially-split body can be left in-line while servicing pump, eliminating disconnecting of pipes Oversized shaft made from stainless steel Balanced centrifugal impeller ensures maximum water delivery in the HVAC system Proven seal design made from strong and long-lasting materials for extended operating life Three piece modular construction and back pull-out design for easy replacement of wear components Certified