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.



SHURFLO® 4048 High Flow Pump
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


Name SHURFLO® 4048 High Flow Pump
Model Numbers OEM/Aftermarket 4049-153-B75
Voltage 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.) 10
Shut-Off Pressure 55 PSI [3.8 BAR]



Data Sheet

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