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The 33-Series is our general-duty on-demand positive displacement pump. It provides reliable performance in high water flow, moderate pressure applications. This 3-chamber diaphragm pump provides up to 3.0 gallons per minute and is capable of self-priming up to 6vertical feet, and can run dry without damage. Serves 3 or more 1/2” (13 mm) outlets. This automatic demand water system pump has a built-in pressure switch, which automatically starts and stops when the faucet is opened and closed. They're easy to install, service and winterize.
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| PUMP | |
| Type | 3 Chamber positive displacement diaphragm pump, self priming, capable of being run dry |
| Control Type | Pressure switch |
| Max Recommended Temperature | 60° C（140° F） |
| Priming Capabilities | 6 feet (1.8 m) suction lift |
| Re-start Pressure | Shut-off Pressure 45 PSI : 35 PSI ±5 PSI (±0.3 bar) |
| Inlet/Outlet Ports | 1/2"-14 MNPT |
| Weight | 4.2 lbs (1.9 kg) |
| MOTOR | |
| Leads | 16 AWG, 13" (33 cm) long with 2-Pin connector / Leads |
| Duty Cycle | Intermittent |
| Max.Amp Draw | 8.0 A |
| Fuse | 12.0 A |
STANDARD PUMP CONFIGURATIONS
| Model | Voltage |
Open Flow |
Control Type |
Max Draw |
Shut-off Pressure |
Valves | Diaphragm | Ports |
Wire Connections |
| SFDPA1-030-045-33 | 115V | 3.0 / 11.3 | Switch | 1.6A | 45 / 3.1 | EPDM | Santoprene | 1/2"-14 MNPT | Leads/Plug |
| SFDPA2-030-045-33 | 220V | 3.0 / 11.3 | Switch | 0.8A | 45 / 3.1 | EPDM | Santoprene | 1/2"-14 MNPT | Leads/Plug |
Consult factory for other available models.
PERFORMANCE
2.8 GPM
APMS
PRESSURE
FLOW
CURRENT
PSI
BAR
GPM
LPM
0
0
2.56
9.70
2.8
10
0.69
2.11
8.00
4.46
20
1.38
1.80
6.80
4.82
30
2.07
1.43
5.40
5.27
40
2.72
1.11
4.20
5.5
45
3.11
0
0
5.61
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View other parameter tables / graphs, Please click here
HEAT RISE
| Key | Description | Quantity |
| A | Pump Head Assembly | 1 |
| B | Valve Assembly | 1 |
| C | Diaphragm Assembly | 1 |
| D | Motor Assembly | 1 |
| 1 | Pressure switch | 1 |
| 2 | Diaphragm of Pressure Switch | 1 |
| 3 | Pump Head | 1 |
| 4 | Diaphragm | 1 |
| 5 | Rubber Feet | 1 |
| 6 | Motor | 1 |
SHIPPING INFORMATION
 |
|
|
Unit Pump Weight |
4.09 lbs (1.85 kg) |
|
Selling Unit Size (L x W x H) |
8.5"x 5.63"x 5.12 |
|
Selling Unit Weight |
4.63 lbs (2.1 kg) |
|
Master Carton Size (L x W x H) |
23.62"x 10.83"x 11.5" |
|
Master Carton Qty |
8 pcs |
|
Master Carton Weight |
38.8 lbs (17.6 kg) |
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