SEAFLO 33-Series 115V AC Water Pressure Pump – 3.3 GPM, 45 PSI: The Essential Guide
When selecting a water pressure pump, the SEAFLO 33-Series 115V AC Water Pressure Pump stands out for its efficiency and reliability. With a flow capacity of 3.3 GPM and a maximum pressure of 45 PSI, this pump is built to meet diverse water supply needs. This guide will explore its features, benefits, and advantages.
Overview

The SEAFLO 33-Series Water Pressure Pump is designed for various applications, from homes to recreational vehicles. It provides a dependable solution for maintaining a steady water supply.
Key Features
Voltage and Flow Capacity
The SEAFLO 33-Series operates on 115VAC, compatible with standard US outlets. It offers a flow capacity of 3.3 GPM and maintains 45 PSI pressure, handling substantial water flow and pressure demands effectively. Additionally, it self-primes up to 6 feet, making it adaptable for different setups.
Durable Materials
The pump features Viton valves, known for resistance to chemicals and heat, and a Santropene diaphragm for durability. The 1/2″ threaded MNPT ports ensure a secure, leak-proof connection.
Ease of Use
Simple Installation
The SEAFLO 33-Series pump includes an electrical cord that plugs into any standard US outlet, simplifying installation compared to other models that require hard-wiring.
Smart Pressure Switch
The pump’s smart pressure switch automatically starts when the faucet is opened and stops when closed, mimicking home water systems for ease of use.
Performance Advantages
High Efficiency
The SEAFLO 33-Series features a three-chamber high-volume design and a heavy-duty motor, providing 3.3 GPM flow and 45 PSI pressure. Its run-dry capability protects against damage during installation or maintenance.
Quiet Operation
The pump operates quietly, thanks to its rubber mounting base and copper core motor, which keeps noise levels similar to an indoor fan.
Additional Features
Run Dry Capabilities
This pump can run dry without damage and lifts water up to 9 feet, aiding self-priming and efficient operation.
Free Accessories
Included are industry-standard fittings and filters. Soft nylon plastic fittings ensure a tight seal, minimizing leaks and the need for plumber’s tape.
Conclusion
The SEAFLO 33-Series 115V AC Water Pressure Pump is an excellent choice for reliable and efficient water pumping. With its robust flow capacity, smart pressure switch, and quiet operation, it offers great performance and convenience. For a dependable water pressure pump that combines high efficiency with ease of use, the SEAFLO 33-Series is a top option.
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