Circulating Pump Motor, Compatible with Brand Bell and Gossett, Compatible with Grainger Part Number 4RD16, 4RD17, Compatible Manufacturer Model Number 106189, Series 100 BNFI, Compatible with Pump Type In-Line Circulating Pumps, Compatible with Series W06189, W06197(OBS), W06197LF, Compatible with Series Family 100, Horsepower 1/12, Maximum Ambient Temperature 104 Degrees F, Maximum RPM 1,725 RPM, Minimum Ambient Temperature 32 Degrees F, Motor Enclosure Design Open Drip-Proof