Wilo Star S 21 ZFX 3-Speed Stainless Steel Star Series Circulator for hydronic radiant floor
Wilo Star S 21 ZFX 115V 3-Speed Stainless Steel Star Series Circulator Pump
is backordered and will ship as soon as it is back in stock.
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Warranty
This product is covered by a 2 years limited warranty
Delivery and Shipping
Orders are shipped within 2 business days. If a problem prevents us from shipping your order within this time, we will notify you.
Depending on your delivery location, transit time will vary from 1 day to 5 days.
Note for US and International buyers: The customer is responsible for paying any import costs to the shipping carrier, such as duties, import taxes, or brokerage/disbursement fees that may apply upon delivery.
Wilo Star S 21 ZFX 115V 3-Speed Stainless Steel Star Series Circula...
Wilo Star S 21 ZFX 115V 3-Speed Stainless Steel Star Series Circulator Pump at a glance
Voltage
115V / 60 Hz
Watts
60W - 110W
Body
Stainless
Max Head Ft.
21
Max GPM
18.0
Flanges Type
Fixed - rotated 90°
Max GPM
18.0
Flanges Type
Fixed - rotated 90°
Wilo Star S 21 ZFX circulator pump incorporates a stanless housing and a three speed motor (Low/Med/High) . Wilo Star S 21 ZFX is among the most popular and most versatile circulator pump models on the market. Pump’s performance parameters cover nearly all traditional heating applications – from radiant and baseboards, to fan coils and zoning and many others. 3 speeds allow to set up the circulator pump in a way, that matches the system’s requirements, while wet rotor design allows it to be virtually silent while operating.
Features:
115V/60Hz
Stainless steel housing
90 degrees rotated fixed flanges
Built-in motor protection for longer life and better performance.
Suitable for a wide range of applications, including radiant heating, hydronic heating, fan coil heating,
solar and other system types.
Whisper-quiet operation for sound sensitive installations.
I bought these to replace some wax actuators from my old system. Those were inconsistent (each moved a different amount) and had huge in rush power requirements. These have low power requirements and appear to be very consistent.