Bell & Gossett 103350 System Lubricated Iron Body Circulator Pump NRF-33 1/15HP 1-Phase

A flanged in-line system lubricated circulating pump designed specifically for quiet operation in a closed hydronic heating system. Features and Benefits • High starting torque for dependable seasonal start-ups (Up to 80% more than competing circulators) • Unique B&G DuraGlide Bearing System assures years of trouble-free start-ups • Closed impeller design improves operating efficiency • Backed by B&G’s representatives and a 3-year warranty–the best in the business • DuraGlide Bearing System incorporates several components working together to eliminate seasonal freeze-up • Stabilized, heat resistant, polypropylene impeller, its closed design improves operating efficiency • Self-cleaning particle shield protects the shaft and bearings from system start-up debris • One-piece, high-nickel stainless steel stator can isolates the stator from system fluid and maintains precision bearing alignment for longer bearing life • Carbon bearings, diamond-like ceramic shaft and generous clearances are more resistant to lime, chloride and oxide build-up • Face plate and rotor sleeve feature corrosion resistant stainless steel construction for longer life