Wilo Hot Water Cast Iron Circulator 10 GPM 3-Speed, 2700, 2100,1300 RPM, 1/8 HP # STAR-S21F. Quiet maintenance-free performance. Low energy consumption, UL/CSA listed. Functionally replaces Grundfos 15-58FR, Taco 009-F5, Armstrong Astro-70 and Bell & Gossett NRF-22. No longer available
Specifications
Manufacturer: Wilo Pumps
Model: STAR-S21F
Pump Type: In-line seal-less magnetic drive circulator
Applications: Cast iron body for hot-water heating systems of all kinds, industrial circulation systems, cold-water systems and air-conditioning systems
Acceptable Fluids: Water, Domestic hot water and Water/glycol mixtures (max. 1:1; mixtures with more than 20 % glycol require reassessment of the hydraulic criteria)
Replacement Guide: Replacement for Grundfos 15-58FR, Taco 009-F5, Armstrong Astro-70 and Bell & Gosset NRF-22 (Not all dimensions of referenced models are alike. Flange to flange and flange size dimensions may vary).
Materials of Construction: Polypropelene ( 40% glass filled) impeller, stainless steeel shaft, metal impregnated carbon bear ings, cast iron volute.
Electrical: 1/1/20 HP, 115 volts, 1 phase, 60 Hz, 40/40/40 Watts, 2700/2100/1300 RPM, 92/.75/.56 amps, thermally (impedance) protected.
Minimum fluid temperature: 36 degrees Fahrenheit
Maximum Fluid Temperature: 230 degrees Fahrenheit
Minimum Require Inlet Pressure:
14.5 PSI @ 230 degrees F; 4.4 PSI @ 203 degrees F;
0.7 PSI @ 122 degrees F.
Maximum Working Pressure: 140 PSI
Connection Type: Two 1/2" diameter bolt holes
Flange to flange dimension: 6-3/8"
Overall length: 6-3/8"
Maximum Width: 5-15/16"
Weight: 6.5 lbs
| Pump Capacity Table STAR-S21F In Gallons Per Minute |
| Model |
Speed |
HP |
Amps |
Watts |
Head In Feet |
Shut-off |
| 0' |
5' |
10' |
15' |
20' |
| Gallons Per Minute (GPM) |
| STAR-S21F |
3 |
1/20 |
.92 |
40 |
17 |
14 |
11 |
6 |
2 |
21' |
| 2 |
.75 |
40 |
13 |
8 |
4 |
2 |
- |
17' |
| 1 |
0.56 |
40 |
9 |
3 |
- |
- |
- |
10 |
WCI-PMP-STAR-BULLETIN.pdf
TIMES