Replacement Draft Blower with Auto Damper for the following Royall models: Includes 75 CFM Draft blower • 6250NS Indoor Wood Boiler • 6300NS Indoor Wood Boiler • 6300 Outdoor Wood Boiler Solenoid Specifications: • Item: Solenoid • Type: Laminated • Length (In.): 2-1/2 • Width (In.): 1-13/16 • Depth (In.): 2-1/16 • Coil Volts: 120 • Seated Amps: 0.43 • Seated Watts: 17.9 • Coil Resistance (Ohms): 20.5 • Amps @ Max.Stroke: 4.90 • Terminals: Solder Lug Coil • Mounting Holes: 2 x 1-3/8" • Gravity Value (Oz.): 4.32 • Pull @ 1/8-In. Stroke (Oz.): 128 • Pull @ 1/4-In. Stroke (Oz.): 102.4 • Pull @ 3/8-In. Stroke (Oz.): 99.2 • Pull @ 1/2-In. Stroke (Oz.): 102.4 • Pull @ 5/8-In. Stroke (Oz.): 102.4 • Pull @ 3/4-In. Stroke (Oz.): 96 • Pull @ 7/8-In. Stroke (Oz.): 84.8 • Pull @ 1-In. Stroke (Oz.): 64 BL100 Draft Inducer Fan Specification: • Type: Forward Curve, Direct Drive • Wheel Dia. (In.): 3-15/16 • Wheel Width (In.): 1-15/16 • CFM @ 0.000-In. SP 75 • CFM @ 0.100-In. SP 71 • CFM @ 0.200-In. SP 68 • CFM @ 0.300-In. SP 66 • CFM @ 0.400-In. SP 61 • CFM @ 0.500-In. SP 56 • Voltage: 115 • Hz: 50/60 • Phase: Single • Full Load Amps: 0.45 • RPM: 3016 • Bearing Type: Ball • Motor Type: Permanent Split Capacitor • Motor Enclosure: Open • Motor Insulation: Class B • Thermal Protection: Auto • Lead Length (In.): 13 • Conduit Box: Yes • Ambient Temp. (Deg. F): 104 • Max. Inlet Temp. (Deg. F): 104 • Inlet Dia. (In.): 3-1/8 • Outlet Dia. (In.): 2-1/8 • Overall Height (In.): 5-3/4 • Overall Width (In.): 6-1/4 • Overall Depth (In.): 6-7/16 • Mounting: All Position • Housing Finish: Gray Enamel • Housing Material: Rolled Steel • Agency Compliance: UL Recognized US and Canada (E47479) • Replaces: 4C443 • Includes Discharge Mounting Flange