WILO – STAR S 21 ZFX
Heating Circ. Pump,
1/25HP, 140PSI, 2700RPM, 33GPM
SKU: 4190427
Replaces: 4090780, 4106179

Features and Benefits:
Reliable wet rotor technology
Quick connect wiring
Powerful starting torque
Ultra quiet
Applications:
Potable Water systems
Air-Conditioning Systems
Open Systems – Heating or Cooling
Industrial Circulation
Water/Glycol concentrations up to 50%
Solar / Geothermal

Technical Data:
Max Pressure: 140(psi)/10(Bar)
Max rpm: 2700
Max flow: 33(GPM)/42(L/min)
Max Temperature: 14~230(*F) (-10~110*C)
Stainless Steel Volute & Shaft
Engineered Composite Impeller
Impregnated Carbon Bearing