SHURFLO® 4048 High Flow Pump | Featured RV Products

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SHURFLO® 4048 High Flow Pump

With flow reaction technology, SHURFLO®'s HIGH FLOW fresh water pump has a unique one-piece diaphragm and internal by-pass to assure smooth flow, long life and top performance in any plumbing system. Designed and built for high flow, low noise, smooth flow with no rapid cycling and SHURFLO® reliability, this fresh water demand pump is quiet and can run dry without damage. Mounts in any position. This pump is designed to replace both the 4900 and 5900 Smart Sensor series products.


California residents: see Proposition 65 information

Installation & Operation


Data Sheet / Replacement Parts



SHURFLO® 4048 High Flow Pump

Model Numbers OEM/Aftermarket

4048-153-A75, 4048-153-E75


12 VDC

Dimensions Inches/Millimeters

10.3” x 4.9” X 4.8” [260 x 125 x 122mm]

Flow Rate GPM/LPM

4.0 GPM [15 LPM]

Amps (Max.)


Shut-Off Pressure

55 PSI [3.8 BAR]

4 Gallons per Minute
55 PSI, 10 Amps Max, High Performance
Reduced Cycling with Flow Reaction Technology™
Smooth, High Powered Flow
Runs Dry – Thermally Protected
Self-Priming to 6 Vertical Feet
Internal Bypass-Low Cycling
Built-In Check Valve Prevents Back Flow
Model Number 4048-153-A75

OEM 4.0 GPM [15 LPM]

Model Number 4048-153-E75

Aftermarket 4.0 GPM [15 LPM]

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