Maximum capacity, minimum Motor load for long life and Superior efficiency The Sterlco® 3700 Series is constructed of a heavy cast-iron tank that can be located flush with floor level, in a pit, or above floor. The pump and motor unit and float switch are mounted on top of a removable tank cover, away from moisture and easily accessible. All units have horizontal centrifugal pumps bronze fitted, with integrally mounted ball bearing motors. Duplex units are available in all ratings. They consist of one tank and float switch and two complete pump and motor units (Mechanical Alternator-Optional). Duplex units 3700 Series Duplex Pumps may be furnished with next size larger tank (dimensions A and B). When mechanical alternator is required, the next larger tank may be used. The mechanical alternator causes pumps to operate alternately. Wear is equalized and, if one unit fails to start, the other motor will continue to operate. Both motors will start if there is a sudden flood of condensate that one unit cannot handle. Sterlco® Boiler Feed Pumps set new standards of performance. Reliable and efficient, each unit features heavy gauge, 3/16" steel receivers for long operating life. In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs. Oversize tanks available : 20" dia. x 36" deep - 49 Gallon Capacity | 24" dia. x 36" deep - 70 Gallon Capacity | 24" dia. x 36" deep - 70 Gallon Capacity
Features: • Simplex or duplex construction • Foot valve and trapped arrangement of pump inlet connection provide double assurance that pump will not lose prime • Capacities from 2000 to 20000 sq. ft. E.D.R. • Discharge pressures 20 or 30 PSI • Heavy-duty two pole float switch • All foot valves are equipped with inlet strainers • Optional make-up water valve furnished in place of a float switch
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Part # |
Pump Type |
Capacity (EDR), ft² |
Discharge PSI |
Pump Capacity |
Motor Power |
Tank Capacity |
Pipe Thread C (Inches) |
Pipe Thread D (Inches) |
Oversize Tank Options |
||
---|---|---|---|---|---|---|---|---|---|---|---|
|
3722A | Simplex | 2000 | 20 | 3 gpm | 1/2 hp | 14 gal | 3 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3732A | Simplex | 2000 | 30 | 3 gpm | 1/2 hp | 14 gal | 3 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3724A | Simplex | 4000 | 20 | 6 gpm | 1/2 hp | 14 gal | 3 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3734A | Simplex | 4000 | 30 | 6 gpm | 1/2 hp | 14 gal | 3 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3726A | Simplex | 6000 | 20 | 9 gpm | 1/2 hp | 20 gal | 3 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3736A | Simplex | 6000 | 30 | 9 gpm | 1/2 hp | 20 gal | 3 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3728A | Simplex | 8000 | 20 | 12 gpm | 1/2 hp | 20 gal | 3 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3738A | Simplex | 8000 | 30 | 12 gpm | 1/2 hp | 20 gal | 3 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37210A | Simplex | 10000 | 20 | 15 gpm | 1/2 hp | 27 gal | 4 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37310A | Simplex | 10000 | 30 | 15 gpm | 3/4 hp | 27 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37212A | Simplex | 12000 | 20 | 18 gpm | 1/2 hp | 27 gal | 4 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37312A | Simplex | 12000 | 30 | 18 gpm | 3/4 hp | 27 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37216A | Simplex | 16000 | 20 | 24 gpm | 3/4 hp | 33 gal | 4 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37316A | Simplex | 16000 | 30 | 24 gpm | 3/4 hp | 33 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37220A | Simplex | 20000 | 20 | 30 gpm | 3/4 hp | 33 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37320A | Simplex | 20000 | 30 | 30 gpm | 1 hp | 33 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3722AD | Duplex | 2000 | 20 | 3 gpm | 1/2 hp | 14 gal | 3 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3732AD | Duplex | 2000 | 30 | 3 gpm | 1/2 hp | 14 gal | 3 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3724AD | Duplex | 4000 | 20 | 6 gpm | 1/2 hp | 14 gal | 3 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3734AD | Duplex | 4000 | 30 | 6 gpm | 1/2 hp | 14 gal | 3 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3726AD | Duplex | 6000 | 20 | 9 gpm | 1/2 hp | 20 gal | 3 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3736AD | Duplex | 6000 | 30 | 9 gpm | 1/2 hp | 20 gal | 3 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3728AD | Duplex | 8000 | 20 | 12 gpm | 1/2 hp | 20 gal | 3 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
3738AD | Duplex | 8000 | 30 | 12 gpm | 1/2 hp | 20 gal | 3 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37210AD | Duplex | 10000 | 20 | 15 gpm | 1/2 hp | 27 gal | 4 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37310AD | Duplex | 10000 | 30 | 15 gpm | 3/4 hp | 27 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37212AD | Duplex | 12000 | 20 | 18 gpm | 1/2 hp | 27 gal | 4 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37312AD | Duplex | 12000 | 30 | 18 gpm | 3/4 hp | 27 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37216AD | Duplex | 16000 | 20 | 24 gpm | 3/4 hp | 33 gal | 4 | 3/4 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37316AD | Duplex | 16000 | 30 | 24 gpm | 3/4 hp | 33 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37220AD | Duplex | 20000 | 20 | 30 gpm | 3/4 hp | 33 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
|
37320AD | Duplex | 20000 | 30 | 30 gpm | 1 hp | 33 gal | 4 | 1 1/2 |
20" dia. x 36" deep - 49 Gallon Capacity 24" dia. x 36" deep - 70 Gallon Capacity 30" dia. x 36" deep - 110 Gallon Capacity |
Add to Cart Add to RFQ |
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