SHURFLO 4048-153-E75 Fresh Water Pump - 4 GPM, 55 PSI, 12V DC, Self-Priming

The SHURFLO 4048-153-E75 Fresh Water Pump is designed for high-demand, smooth, and efficient water flow in various plumbing systems. It delivers 4 gallons per minute (GPM) at a 55 PSI pressure rating, offering consistent performance with reduced cycling thanks to Flow Reaction Technology™. This self-priming pump operates on 12V DC and features a unique internal by-pass, which ensures low cycling and smooth operation. With thermal overload protection, it can safely run dry without damage, making it ideal for RVs, boats, and other applications where durability is key.

The pump is equipped with 1/2 inch NPSM male ports for easy connection to your water system, and it can self-prime up to 6 vertical feet. The built-in check valve prevents backflow, ensuring reliable performance. Made of durable polypropylene, this lightweight pump is built to withstand tough environments.

Product Features:

• Flow Rate: 4 GPM
• Pressure Rating: 55 PSI
• Type: Self-Priming
• Pump Operation: 12 Volt DC
• Inlet & Outlet Ports: 1/2 Inch NPSM Male Threads
• Dimensions: 10.3 Inch Length x 4.9 Inch Width x 4.8 Inch Height
• Material: Polypropylene
• Thermal Protection: Yes, with ability to run dry without damage
• Self-Priming Capability: Up to 6 vertical feet
• Built-In Check Valve: Prevents backflow
• Pressure Switch: Yes; automatic shut-off at 55 PSI and restart at 40 PSI
• Warranty: Limited 2-year warranty

This SHURFLO 4048 pump is perfect for those who need a highly efficient, long-lasting, and quiet water pump that can handle the toughest demands while running safely dry.

Manufacturer replacement guidance

SHURflo designed the 4048 high-flow series to replace its 4900 and 5900 Smart Sensor pump families. Before replacing a pump, compare the 12V electrical supply, 1/2-inch NPSM male ports, mounting space and plumbing connections; the listing is for the 4048-153-E75 pump, not a conversion kit.