Star S 21 RFC by Wilo Pumps in Houston, TX

3 Speed Circulator with Rotating Flange and Installable Check Valve
Hot Water Heating Systems
Cold Water
Air-Conditioning Systems
Water/Glycol concentrations up to 50%
Special features / product benefits
Reliable wet rotor technology
Patent-pending 360° Flange rotates to 12/6 or 3/9 o’clock positions
Installable hi-temp check valve included
Quick connect wiring
Fits all competitor’s models
Powerful starting torque
Ultra quiet
Automatically vented
Technical data
Max Temp Range: -14°F to 230°F (-10°C to 110°C)
Max Amb Temp: 104°F (40°C)
Electrical Connection: 1~115v
Max Working Pressure: 140 PSI (10 Bar)
Materials of Construction:
Cast Iron Volute
Engineered Composite Impeller
Stainless Steel Shaft
Carbon, Metal Impregnated Bearing
Steel Terminal Box