12V Water Pressure Diaphragm Pump 3.8LPM 40PSI Self-Priming Water Pump for RV Caravan Marine Camping

Garden & outdoor

12V Water Pressure Diaphragm Pump 3.8LPM 40PSI Self-Priming Water Pump for RV Caravan Marine Camping

Product ID: TR-DZ-002246

A$40.95

In stock (checked 1 Nov 2026)

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  • Price includes delivery to Sydney metro, other areas confirmed before dispatch. Outside Sydney metro we may contact you to confirm delivery, or refund you in full if we can’t deliver.
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Details

12V Water Pressure Diaphragm Pump – 3.8LPM, 40PSI

Designed for reliable water delivery in RVs, caravans, boats, camping setups and other compact water systems, this 12V diaphragm pump provides consistent water pressure with automatic on-demand operation.

With a built-in 40 PSI pressure switch, the pump automatically starts when water is required and stops when the desired pressure is reached. Its self-priming design allows flexible installation and can operate even when mounted above the water tank.

Key Features

  • 12V DC Operation: Suitable for a range of mobile and off-grid water systems.
  • 3.8LPM Flow Rate: Delivers up to 1.0 gallon per minute for everyday water supply applications.
  • 40 PSI Maximum Pressure: Provides consistent water pressure for suitable low-volume water systems.
  • Self-Priming Design: Supports up to 1.2m of suction lift, allowing the pump to be installed above the water tank.
  • Automatic On-Demand Operation: Built-in pressure switch automatically starts and stops the pump according to water demand.
  • Dry-Run Capability: Designed to operate without water for added installation flexibility.
  • Thermal Protection: Built-in thermal protector helps protect the motor during operation.
  • Compact Design: Space-saving construction makes it suitable for compact installations.
  • Quiet Operation: Designed to provide reliable water pumping with reduced operating noise.
  • Standard Mounting Pattern: Suitable for common installation configurations.

Specifications

Suitable Applications

  • RV and caravan water systems
  • Colour: Black
  • Shipping weight: 0.65 kg
  • Carton: 18.3 × 10.6 × 5 cm

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