Oil lubricated circulator Cast iron body 115V With built-in overload protection Sleeve bearing, oil lubricated with replaceable resilient motor mounts Noise dampening coupler Bell & Gossetts own flexible spring design adds to quiet operation, do not accept a substitute Long bronze sleeve bearings maintain exact shaft alignment Provides for constant circulation of oil over bearing surfaces Precision ground pump shaft is oversized to provide large bearing surfaces Hardened integral thrust collar minimizes end-thrust to ensure long seal and bearing life The Bell & Gossett mechanical seal is designed to withstand the wide range of water temperatures, pressures, additives and dissolved solids common in hydronic systems Centrifugal impeller prevents accumulation of air at seal faces to assure long life Close impeller/body tolerances minimize water slippage and maximize efficiency 3/4, 1, 1-1/4 and 1-1/2 in NPT flange Model 100NFI

CSA Certified|cUL/UL Listed|SA Registered