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SEAFLO 21-Series 12V Diaphragm Pump - 1.2 GPM, 35 PSI

SEAFLO ★ 4.0/5 · ItemOracle Score Budget

$33 USD
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SEAFLO 21-Series Water Pressure Diaphragm Pump - 12V DC, 1.2 GPM, 35 PSI with Adjustable Pressure Switch, Self-Priming, Quiet Operation for RV, Boat, and Off-Grid Applications

12V DC diaphragm water pump with 1.2 GPM flow and 35 PSI max. Self-priming and quiet operation for boats, RVs, and off-grid use; noted for good pressure and easy installation, though noise and flow perception vary by user

Highlights

  • 12V DC operation
  • 1.2 GPM flow rate
  • 35 PSI max pressure

Pros

  • self-priming operation
  • adjustable pressure switch
  • compact for tight spaces
  • works with sinks and sprayers
  • easy installation

Cons

  • mixed opinions on noise level
  • mixed feedback on actual water flow
  • some reports of reliability issues over time

Best For

  • rv water system
  • boat freshwater pump
  • off-grid irrigation
  • sink supply line
  • small spray applications
  • fish tank water delivery

Features

  • 12V DC operation with 1.2 GPM flow capability
  • Maximum 35 PSI discharge pressure for pressurized water output
  • Self-priming design supports installation up to 6 ft above water source
  • Diaphragm made of Santoprene for durable, compatible pumping
  • 3/8 inch hose barb inlet/outlet with thermal protection and quiet operation

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