Overview Product Description Circulator Pump Motor 115 Volt 1/6 HP Sleeve Bearing Single Speed 1725 RPM 1/2" Shaft Diameter 1/2" Shaft Length Applications: For hot water boiler & booster pumps. Cross References: replace Armstrong CP-R1352, Replaces Armstrong number 817025-001, 831001-061, 110036 M10291 M10294 MOT109-6 MOT115-6, MOT441-6, MOT911-6, m10711 MOT300-6B&G *111031 (*check bolt circle CP-R1352 has a 5 inch bolt circle, CP-R1351 has a 4.63 inch bolt circle)NOTE: check bolt circle to be sure of fit, this unit has a 5.00 inch pattern Same as CP-R1342 but that is with out cradle Product Videos Custom Field Product Reviews