Circulator Pump Wilo Star S21 RFC

Product Code: TJ-WILS21RFC

WILO STAR CIRCULATOR PUMP S 21 RFC

The Wilo Star S21 RFC is a 3-speed cast iron circulator pump with built-in flow check. 3 speeds (Low/Med/High) of the Wilo Star S21 RFC make this model very versatile and allow to use it in a large variety of heating applications inlcuding radiant, hydronic, radiators, fan coils, etc. A built-in flow check eliminates the need to buy and install a separate in-line check valve. This circulator is designed for closed loop systems with medium to high flow rates and pressure drops.

Wilo Star S21 RFC circulators are also available in stainless pump housings which are suitable for hot water recirculation as well as other system applications.

Number 4171560

Features:

Heating residential and small commercial applications
Reliable wet rotor technology
Water/Glycol concentrations up to 50%
Quick connect wiring
Ultra quiet
RFC Patented Rotating Flange:
Includes (2) Gaskets (O-rings) and check valve .
ETL/CSA listed.

Applications:

Closed loop radiant heating & snow melting systems.
Baseboard, Radiator, Fan coil heating and other hydronic heating and cooling applications

Model Number	S21 RFC
Pump Housing	Cast Iron
Number of speed	3
RPM	1300-2700 tr/min
Type motor	2 Poles
Power consumption Speed (1)	60 W
Power consumption Speed (2)	85 W
Power consumption Speed (3)	110 W
Amperage Speed (1)	0.55 A
Amperage Speed (2)	0.75 A
Amperage Speed (3)	0.95 A
Voltage	115v
Hertz	60 Hz
Phase	1
Connection Port	Flange 2 holes rotary RFC
Power HP	1/25 HP
Max. Flow	19 GPM
Max. Head/Feet	21 Ft
Working Temperature (liquid)	14°F (-10°C) ~ 230°F (110°C )
Max. Pressure	140 PSI
Certification	CSA, ETL