Shurflo by Pentair AQUA KING II Standard Fresh Water Pump - 12 VDC, 3.0 GPM [4138-111-E65] Marine Navigation & Instruments | Fishfinder Only tach signal generator or magnetic

tach signal generator or magnetic pickup sender

20 and 60 degree cone angles

*200 kHz/83 kHz compatible and only provides traditional 2D sonar

1071 Clamp Mount

zūmo® 550

Shurflo by Pentair AQUA KING II Standard Fresh Water Pump - 12 VDC, 3.0 GPM [4138-111-E65] Marine Navigation & Instruments | Fishfinder Only tach signal generator or magneticAQUA KING II Standard Fresh Water Pump 12 VDC, 3. 0 GPM SHURFLO's 4138 fresh water pump design was created with a unique over molded single piece diaphragm and internal by pass, assuring long life and top performance in all plumbing systems. The 4138 pump is constructed for smooth flow and no rapid cycling. The 4138 fresh water automatic demand pump is quiet, thermally protected and can run dry without damage. Features: 3901 Replacement Sealed Switch