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4105031 has been discontinued
Discontinued November 11, 2011
This product was discontinued by the manufacturer.
MANUALS (3)
Direct Replacement:
Star S 21 F, 3-Speed Cast Iron Star Series Circulator, 1/12 HP
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Product Highlights
–
115V
1/20 HP
Flanged x Flanged Connection
16.5 MAX GPM
140 MAX PSI
Cast Iron
Description
–
Overview:
Wet rotor circulation pump, with flanged connection. (Flange perpendicular to shaft). Pre-selectable speeds to adjust the capacity on "S" versions. Cast iron body for hot-water heating systems of all kinds, industrial circulation systems, cold-water systems and air-conditioning systems.
Features:
Materials:
Wet rotor circulation pump, with flanged connection. (Flange perpendicular to shaft). Pre-selectable speeds to adjust the capacity on "S" versions. Cast iron body for hot-water heating systems of all kinds, industrial circulation systems, cold-water systems and air-conditioning systems.
Features:
- 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)
- 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
- Fits all Competitor's Models
- Powerful Starting Torque
- Ultra Quiet
- Reliable Wet Rotor Technology
- Optional Check Valve
- Automatically Vented
Materials:
- Pump housing: Grey cast iron (EN-GJL200)
- Impeller: Engineered Composite (PP - 40% GF)
- Shaft: Stainless steel (Cr)
- Bearing: Metal-impregnated carbon
Specs
–
| Application: | Heating |
|---|---|
| Material: | Cast Iron |
| Horse Power: | 1/20 |
| Voltage: | 115V |
| Phase: | 1 |
| Hertz: | 60 |
| Temperature Range (F): | 14°F - 230°F |
| Max Pressure (PSI): | 140 |
| Max Flow (GPM): | 16.5 |
| Max Head (Ft): | 16 |
| Connection Type: | Flanged x Flanged |
| Connection Size: | 3/4" 1-1/4" 1-1/2" |
| Max. Amps: | 0.66 |
| Max. RPM: | 2700 |
| Type: | 3-Speed Pump |
Questions?
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Product Q&A
1 Question1 Question
Q: how large an area can 1 pump handle effectivley
Asked by duey 14 years ago
Add your answer
Verified Reply- PexSupply StaffThis is based on the flow rate and head pressure of the area, which depends on a variety of factors.
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