Star S 21 RFC Wilo Star S Star S Series Cast Iron 3-Speed Residential Circulating Pump, Max Flow 19 USGPM, 140 Psi, 115V/60HZ, 1/25 HP

Wilo-Star S wet rotor circulation pump, with flanged or union connections. Preselectable speeds to adjust the capacity on "S" versions. For hot water heating, potable water, closed cooling circuits, industrial circulation, air-conditioning, solar and geothermal applications. 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.

Materials of Construction:
- Impeller Engineered Composite (40% GF)
- Shaft Stainless Steel (X40 Cr13) AISI 420SS
- Bearing Metal Impregnated Carbon
- Volute Cast Iron
- Pump Housing Cast Iron with Installable
- Check Valve Check Valve Glass filled Noryl + EPDM rubber

Warranty: Three (3) years from the date of purchase