Description
Wilo Star S “33 FC” 3-Speed Pump Circulator 1/6 HP 230 Volt Option
The Wilo Star S series Residential circulation pumps offer high quality pumps at affordable prices. The 33 FC version offers a max flow of 33 US Gallons Per Minute and comes in both 115 volt and 230 volt options.
Design
Wet rotor circulation pump, with flanged connections. Pre‐selectable speeds to adjust the capacity on “S” versions. The cast iron body allows for the circulation of hot water or cold water.
Application
Cast iron body for hot‐water heating systems of all kinds, industrial circulation systems, geothermal systems, in-floor heating, cold‐water systems and air‐conditioning systems. Wilo pumps are commonly used in outdoor wood burning stoves and indoor wood burning stove systems allowing you to heat more of your buildings.
Special features / product benefits
- 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 (“S” type only)
- Rotating 360 degree flange
- Contains installable check valve
Technical data
- 1/6HP
- Permitted temperature range +14 °F to +230 °F (‐10 °C to +110 °C)
- Power supply 1~230 V, 60 Hz
- Protection class F
- Optional Flange Sizes flange sizes ¾”, 1″, 1 ¼” and 1 ½” NPT
- Max. operating pressure 145 PSI (10 bar)
- Max Flow of 33 USGPM
- Max Head of 33 Feet
Features
- Suitable for any installation position with horizontal shaft; terminal box in 3-6-9-12 o’clock position
- 360 Degree rotatable flange
- Three pre-selectable speed stages for load adjustment
- Impedance protected motor, motor protection not required
- Cable entry both sides of terminal box
- Quick connection spring clips for simple electrical connection
- Steel Terminal Box
- Powerful Starting Torque
- Wet Rotor Technology
- Ultra Quiet
- Automatically Vented
Material Composition:
- Pump housing: Grey cast iron (EN-GJL200)
- Impeller: Engineered Composite (PP – 40% GF)
- Shaft: Stainless steel (Cr)
- Bearing: Metal-impregnated carbon
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Flange Kit Sold Seperately
Product Documentation 
Submittal Data Sheet
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