1. Boat Plumbing-Ventilation Offered
  2. sku: 7021084348085713
  3. JOHNSON 03708

JOHNSON 03708 Water Pump 12V

fits make: Johnson.

03708 Johnson Water Pump 12v

( Part Type: Pump ), ( Manufacturer Part Number: 03708 )

Review JOHNSON Water Pump 12v

The Johnson Pumps 12V Water Pump, model number 03708, is a versatile and reliable solution for your small water transfer applications. This pump is designed for use in 12V DC systems, making it an excellent choice for boats, RVs, and other off-grid applications.

Measuring at 11.5 inches long, 4 inches wide, and 3.7 inches high, this compact water pump is easy to install in a variety of spaces. It boasts a maximum flow rate of 670 GPH (gallons per hour) at 10 feet of head, ensuring efficient water transfer even under moderate pressure.

The 03708 water pump utilizes a thermoplastic housing and impeller, making it highly durable and resistant to corrosion. The pump also features a self-priming design, which allows it to start pumping water automatically once the motor is engaged, even if the water source is below the pump.

Equipped with a thermal overload protection switch, this pump ensures safe operation by automatically shutting off in case of overheating. This feature adds an extra layer of protection to your water transfer system, giving you peace of mind and reliable performance.

The Johnson 12V Water Pump, model 03708, includes a 1.5-foot power cord and a 1.5-foot suction hose. The pump also features a built-in check valve, which prevents backflow of water and ensures efficient water transfer. Additionally, the pump comes with a 2-year limited warranty, providing you with confidence in your purchase.

With its powerful performance, compact size, and durable construction, the Johnson Pumps 12V Water Pump, model 03708, is an essential tool for any small water transfer application. Whether you're maintaining a boat's water system, filling an RV's freshwater tank, or transferring water for agricultural purposes, this pump is up to the challenge.

Johnson Pump 03708 12V Water Pump: A Detailed Analysis

The Johnson Pump 03708 is a popular 12V water pump model, known for its reliability and efficiency. In this analysis, we will discuss the key features, advantages, and disadvantages of this water pump to help you make an informed decision.

Features:

1. 12V DC submersible water pump

2. Maximum flow rate of 2,560 GPH

3. Suitable for fountains, water features, and irrigation systems

4. Constructed with thermoplastic materials

5. Includes a 10-foot power cord and a 13-foot suction lift

Advantages:

1. High Flow Rate: With a flow rate of 2,560 GPH, the Johnson Pump 03708 can handle larger water features or irrigation systems.

2. Durable Construction: The thermoplastic materials make this pump resilient to harsh environments and chemicals commonly found in water.

3. Long Power Cord: A 10-foot power cord allows for greater installation flexibility.

4. Affordable: Compared to other 12V water pumps in its class, the Johnson Pump 03708 offers a competitive price.

Disadvantages:

1. Suction Lift: With a limited suction lift of 13 feet, this pump may not be suitable for deep water applications.

2. Noise Level: Some users have reported that the pump can be rather loud, which may be a concern for those who want a quiet water feature.

3. Seal Issues: There have been reports of seal leaks in some pumps, requiring replacement.

Conclusion:

The Johnson Pump 03708 12V water pump offers a high flow rate, durable construction, and a reasonable price. However, it may not be suitable for deep water applications due to its limited suction lift, and some users have reported issues with the seal. Considering these factors, the Johnson Pump 03708 is a good choice for smaller to medium-sized water features, fountains, or irrigation systems where a quiet operation is not a major concern.

Recommendation:

If you are in the market for a reliable, affordable, and efficient 12V water pump for smaller to medium-sized water features, the Johnson Pump 03708 is a solid option to consider. However, if you require a pump for deep water applications or a quieter operation, you may want to explore other models with better suction lift and noise reduction features.

part # 03708 prices

  • $155.00-$277.32

specifications vesselvent:

  • for makes: Johnson
  • part type: Pump
  • manufacturer part number: 03708

payments vesselvent:

  • credit card: Visa
  • wallet: Apple-pay
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seller vesselvent:

  • rating: 99.0%
  • # reviews: 372

returns vesselvent:

  • policy: No Returns

general vesselvent:

  • Parts Accessories > Boat Parts > Plumbing Ventilation
  • condition: New

offer vesselvent:

  • availability: In Stock
  • quantity: 1
  • best offers: True
  • sold: 0
  • started: November 24, 2025
  • options: Ship-to-home

shipping vesselvent:

  • cost: $7.67
  • service: USPS Ground Advantage
  • class: Standard
  • carrier: USPS
  • transit: 11-17 Days
  • type: Calculated
for makes: johnson, part type: pump,
category: boat parts > plumbing ventilation, sku: 7021084348085713,

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