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SunPumps Submersible Diaphragm Pump -12/24VDC (SDS-D-128)


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The original low-voltage submersible diaphragm pump designed to run on renewable energy.

SKU: SDS-D-128

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SunPumps Submersible Diaphragm Pump -12/24VDC (SDS-D-128)

The SunPumps SDS-D-128 submersible diaphragm pump is a high-efficiency, low-voltage DC positive displacement pump designed for water delivery in remote locations. As such, it is built to run on a range of DC voltages (12-30VDC) supplied from off-grid power sources including solar panels, wind generators, batteries, or a combination of the three. The SDS-D series from SunPumps was the first submersible diaphragm pump introduced to the solar market in 1988, and has an excellent performance record.

This pump is easily installed by hand without any special equipment, and includes a double shrink splice kit and a ½" poly pipe compression fitting.

SunPumps SDS-D-128 Submersible Diaphragm Pump Specs

  • 10.75" L x 3.8" diameter (fits 4" well casings and larger)
  • 14 lbs
  • Max flow: 1.5 gpm
  • Max lift: 230'
  • Port: ½" NPT
  • 12-30 VDC
  • Max power: 100 Watts
  • Max current: 3.3 amps
  • Manufacturer: SunPumps
  • Model number: SDS-D-128

This product is shipped directly from the manufacturer or distributor and will arrive separately from any other products ordered. Availability estimates are based on average lead times and can vary due to stock status and location.

Returns & Replacements
Products can be returned for a refund within 30 days of receipt if unused and in original packaging. Returns are paid for by customer unless product is defective or damaged, in which case Real Goods assumes responsibility. Please use Fedex, UPS, or USPS with tracking, for returns.

Returns of solar panels, inverters or other large ticket items will incur a re-stocking fee of up to 20%. Freight shipping is non-refundable.

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