Description
Wilo Star S "21FX" 3-Speed Pump Circulator 1/12 HP
The Wilo Star S
Design
Wet rotor circulation pump, with flanged or union connections. Pre‐selectable speeds to adjust the capacity on "S" versions
Application
Cast iron body for hot‐water heating systems of all kinds, industrial circulation systems, cold‐water systems and air‐conditioning systems. Wilo pumps are commonly used in outdoor wood burning stoves and indoor wood burning stove systems allowing you to heat more of your buildings! They are also contain a bronze body for domestic hot water applications
Special features / product benefits
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)
Technical data
Permitted temperature range +14 °F to +230 °F (‐10 °C to +110 °C)
Power supply 1~115 V, 60 Hz
Protection class F
Companion flange sizes ¾", 1", 1 ¼" and 1 ½" NPT
Max. operating pressure 145 PSI (10 bar)
Features
-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 terminal box
-Quick connection spring clips for simple electrical connection
-Steel Terminal Box
-Powerful Starting Torque
-Wet Rotor Technology
-Automatically Vented
Material Composition:
-Pump housing: Grey cast iron (EN-GJL200)
-Impeller: Engineered Composite (PP – 40% GF)
-Shaft: Stainless steel (Cr)
-Bearing: Metal-impregnated carbon
Flange Kit Sold Seperately
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