Seaflo 33 Series Water Pump Pressure Switch 45 PSI 15A PSWT15A33S45PSI
PSWT15A33S45PSI
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Seaflo 33 Series Pressure Switch (45 PSI)
Premium Replacement for Automatic Pump Systems
The Seaflo PSWT15A33S45PSI is a dedicated replacement pressure switch designed specifically for the Seaflo 33 Series diaphragm water pumps. This component is the "brain" of your on-demand water system, automatically triggering the pump to start when a tap is opened and ensuring it shuts off precisely when the system reaches 45 PSI.
Key Features
- β Direct fit for Seaflo 33 Series
- β High-current 15A rating
- β Preset 45 PSI shut-off
- β Simple 2-wire installation
Technical Specs
| SKU: | PSWT15A33S45PSI |
| Max Amperage: | 15 Amps |
| Cut-Off Pressure: | 45 PSI (3.1 Bar) |
| Series: | 33-Series |
| Brand: | Seaflo |
Compatibility / Fitment Guide
| Pump Model | Series | Notes |
|---|---|---|
| SFDP1-030-045-33 | 33 Series (12V) | Direct Replacement |
| SFDP2-030-045-33 | 33 Series (24V) | Direct Replacement |
| DP1-028-045-33 | 33 Series | Standard Fitment |
| 33 Series Pumps | General | Fits all 45 PSI variants |
OEM Cross Reference
| Seaflo Part No. | PSWT15A33S45PSI |
| Internal ID | WT15A33S45PSI / SFPS45 |
Questions & Answers
Is this a genuine original part?
Yes, this is a genuine Seaflo replacement part, manufactured specifically for the 33-Series pump range to ensure correct pressure calibration and electrical compatibility.
How do I know if it is compatible?
We recommend checking the model number on your pump. If your pump belongs to the 33 series and has a 45 PSI shut-off rating, this switch is the correct fitment.
What symptoms indicate a faulty pressure switch?
If your pump fails to turn on when a tap is opened, or if it continues to run and won't shut off once the tap is closed (despite no leaks in the system), the pressure switch typically needs replacement.
Note: Always disconnect power to your water system before replacing electrical components. Verify your pump series before purchasing.
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