Wilo Star S-21 FX Circulating Pump

Wet rotor circulation pump, with flanged connection (flange parallel to shaft). Pre-selectable speeds to adjust the capacity on "S" versions. Cast iron body for hot-water heating systems of all kinds, industrial circulation systems, cold-water systems and air-conditioning systems.

Features and Attributes:

• Suitable for any installation position with horizontal shaft; terminal box in 3-6-9-12 o'clock position
• Three pre-selectable speed stages for load adjustment ("S" type only)
• Impedance protected motor, motor protection not required
• Cable entry both sides of steel terminal box
• Quick connection spring clips for simple electrical connection
• Powerful starting torque
• Ultra quiet, automatically vented
• Reliable Wet Rotor Technology

This Product Includes:

• Cable lead-in possible on both sides
• Quick connection with spring clips
• Blocking current-proof motor

• Length, 6-3/8 in.
• Width, 5-1/16 in.
• Height, 6-3/8 in.
• Material, Cast Iron
• AMP, 0.52 - 0.92A
• Bearing Material, Metal Impregnated Carbon
• Environmental Conditions, Ambient Temperature Rating: 104F, Protection Class: F
• Flow Rate, 19 gpm US
• Horsepower, 0.05 hp
• Impeller Material, Engineered Composite
• Maximum Feet of Head, 21 ft.
• Maximum Temperature, 14 - 230F
• Number of Poles, 2
• Phase, 1 PH
• Power Consumption, 56 - 110W
• Power Rating, 40W
• Pressure - Maximum, 140 psi
• RPM, 1300 - 2700 RPM
• Shaft Material, Stainless Steel
• Specifications - UL Listed, Yes
• VAC at 60 Hz, 115 VAC