SEAFLO 33-Series 115V Fresh Water Pressure Pump 3.3 GPM 45 PSI — Self‑Priming, NSF Certified

SEAFLO’s 33-Series 115V fresh water pump is a compact, self-priming automatic pressure pump delivering 3.3 GPM at a 45 PSI shut-off for reliable potable water supply in RVs, boats, cabins, and light industrial settings.

This compact AC pump combines certified potable-water safety, an adjustable smart pressure switch, and noise-isolating mounts into a plug-and-play package. It arrives ready to install with fittings, inlet strainer, mounting hardware, and a standard 115V wall plug so you can connect it to household power without wiring. Engineered to meet NSF and UL standards and backed by a four-year warranty, the SEAFLO 33-Series is designed for everyday use where consistent pressure and quiet operation matter.

How does this pump keep water safe and code-compliant?

The 33-Series is manufactured to meet multiple potable-water and RV plumbing standards so it’s suitable for drinking-water systems and mobile living applications. Critical wetted components are NSF approved and the motor and electrical architecture comply with UL requirements for motor-operated pumps.

• NSF/ANSI/CAN 61 & 372 certified for materials safe for drinking water
• NSF 24 compliance for RV plumbing systems
• UL 778 listed motor and construction
• EPDM valves and Santoprene diaphragm for corrosion-resistant service

What performance and installation features should I expect?

This unit delivers up to 3.3 gallons per minute with a 45 PSI shut-off and self-primes up to six feet, allowing flexible placement above tanks or inside compartments. It includes a secured wall-plug power cord and common 1/2"-14 MNPT ports, making install straightforward for DIYers and technicians alike.

• Flow rate: 3.3 GPM (12.5 LPM); shut-off: 45 PSI (3.1 BAR)
• Self-priming lift up to 6 feet and run-dry capable for protection
• Ports: 1/2"-14 MNPT with two 1/2" barbed fittings included
• Pre-wired with 115V wall plug for instant power hookup

How quiet and durable is the pump during everyday use?

The design focuses on low noise and long service life through vibration isolation and materials chosen for longevity in freshwater systems. A rubber mounting base reduces vibration transfer and helps keep operating sound comparable to a standard household fan.

• Rubber vibration-dampening base for quiet operation
• Run-dry tolerant diaphragm to prevent internal damage during low supply
• Maximum liquid temperature up to 140°F (60°C) for varied applications
• 1.0A max draw for efficient electrical use on 115V circuits

What accessories and support come with the pump?

The pump ships as a near-complete system so you can get water flowing quickly after installation. SEAFLO includes useful hardware and documentation to simplify mounting, plumbing, and initial setup, plus a four-year warranty for added confidence.

• Included: inlet strainer, (2) 1/2" barbed fittings, mounting hardware, and manual
• Pre-installed 115V plug eliminates the need for hard wiring
• Backed by SEAFLO’s 4-year limited warranty for long-term peace of mind

Who is this for? The SEAFLO 33-Series 115V pump suits RV owners, boaters, cabin dwellers, and anyone needing a small household AC-powered fresh water pump that’s safe for drinking water. It’s especially useful when you want plug-and-play convenience, adjustable pressure control, and quiet operation in living spaces or compact mechanical compartments. Choose this model when you need certified potable-water performance, easy installation, and dependable pressure for sinks, showers, toilets, and auxiliary systems in mobile and stationary installations.