Pump Motor, Compatible with Brand Armstrong, Compatible with Manufacturer Model Number 1050-1.25b, 1050-1.5b, 1050-1b, 1050-2b, H-52, Compatible with Pump Type In-Line Circulating Pumps, Compatible with Series S&H 5 Series, Compatible with Series Family 1050-1.25b, 1050-1.5b, 1050-1b, 1050-2b, H-52, Horsepower 1/3, Maximum Ambient Temperature 104 Degrees F, Maximum RPM 1,800 RPM, Minimum Ambient Temperature 32 Degrees F, Motor Enclosure Design Open Drip-Proof, Motor Thermal Protection Auto