The SeaFlo 33-Series is our general-duty on-demand positive displacement pump. It provides reliable performance in high water flow, and moderate pressure applications. This 3-chamber diaphragm pump provides up to 3.0 gallons per minute and is capable of self-priming up to 6 vertical 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.
Typical Applications
Agricultural Spraying
General Industrial
Automotive
Marine/RV
Features & Benefits
Positive displacement pump
Can run dry
Quiet operation
Demand pump
Low amp draw
Industry standard mount pattern
Built in check valve
Thermally protected
Easy connect fitting
Specifications for 33-Series Diaphragm Water Pumps
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What applications suit the SEAFLO 33-Series Diaphragm Water Pump?
The SEAFLO 33-Series Diaphragm Water Pump suits agricultural spraying, general industrial, automotive, and marine or RV water applications. The pump is a general-duty, positive displacement water pump for high-flow, moderate-pressure use.
How much water flow does the SEAFLO 33-Series Diaphragm Water Pump provide for water systems?
The SEAFLO 33-Series Diaphragm Water Pump provides up to 3.3 gallons per minute, or 198 GPH, for water systems. The 115VAC pump has a 45 PSI shut-off pressure.
Can the SEAFLO 33-Series Diaphragm Water Pump supply multiple outlets?
The SEAFLO 33-Series Diaphragm Water Pump can serve three or more 1/2-inch outlets. The pump uses 1/2-inch-14 MNPT ports and includes an easy-connect fitting.
Can the SEAFLO 33-Series Diaphragm Water Pump self-prime and run dry?
The SEAFLO 33-Series Diaphragm Water Pump can self-prime up to 6 vertical feet and can run dry without damage. The pump also includes thermal protection and a built-in check valve.
How does the SEAFLO 33-Series Diaphragm Water Pump control water flow?
The SEAFLO 33-Series Diaphragm Water Pump uses a built-in pressure switch for automatic demand operation. The pump starts when a faucet opens and stops when a faucet closes.
What installation and seasonal maintenance features does the SEAFLO 33-Series Diaphragm Water Pump offer?
The SEAFLO 33-Series Diaphragm Water Pump is designed for easy installation, service, and winterization. The pump features an industry-standard mount pattern, quiet operation, and low amp draw.
