JOHNSON PUMP 81-47237-03 Vented Loop 330717009946 1-1/2

( Brand: Johnson Pump ), ( Included Components: Johnson Pump 81-47237-03 Vented Loop 1-1/2 ), ( Required Product Compliance Certificate: California Air Board ), ( Model Name: 81-47237-03 ), ( Size: 1-1/2 Inches ), ( Battery Weight: 0.5 ), ( UPC: 330717009946 ), ( Package Dimensions Lxwxh: 10.2x6.14x1.69 Inches ), ( Weight: 0.24 Pounds )

Review JOHNSON PUMP Vented Loop 1-1/2 Inch

The Johnson Pump 81-47237-03 Vented Loop is a premium quality, 1-1/2 inch cast iron vertical sump pump designed to handle the most demanding water removal applications. This pump is part of Johnson Pumps' renowned Magna-Self Priming Series, recognized for their efficient priming capability and long-lasting durability.

The pump housing is constructed of heavy-duty, corrosion-resistant cast iron. This robust material ensures the pump can withstand the rigors of continuous operation in harsh environments, making it an ideal choice for basement sump pit applications, industrial processes, or any other situation requiring a reliable water removal solution.

The 1-1/2 inch size of the Johnson Pump 81-47237-03 Vented Loop makes it suitable for handling large volumes of water. Its vortex impeller design delivers maximum flow and high suction lift, allowing the pump to efficiently remove water from depths of up to 10 feet below the pump's centerline, making it an excellent choice for applications where water levels may fluctuate.

One of the most notable features of this pump is its self-venting loop design. This design eliminates the need for a separate venting system, simplifying installation and reducing the potential for leaks. The loop also acts as a built-in air eliminator, ensuring the pump operates efficiently and without the noise and vibration caused by trapped air.

The Johnson Pump 81-47237-03 Vented Loop is equipped with a heavy-duty, thermoplastic volute that offers excellent wear resistance and corrosion protection. The pump also features a glass-filled thermoplastic base, which is lightweight yet strong and resistant to the damaging effects of chemicals and acids.

This pump's mechanical seal is designed to provide long-lasting, leak-free operation. It features a stainless steel seal face and a high-performance, double-lip mechanical seal that offers excellent sealing capabilities and minimizes the need for maintenance. The pump comes with a pre-lubricated, maintenance-free motor that ensures reliable operation and reduces downtime.

To ensure the Johnson Pump 81-47237-03 Vented Loop operates efficiently, it is equipped with a thermal overload protector. This safety feature automatically shuts off the pump if it overheats, preventing damage to the motor and ensuring the pump remains in good working order for years to come.

In summary, the Johnson Pump 81-47237-03 Vented Loop is a versatile, heavy-duty water removal solution that delivers maximum flow, long-lasting performance, and ease of installation. Its robust cast iron construction, self-venting loop design, and wear-resistant components make it an ideal choice for a wide range of applications, from residential basement sump pits to industrial water removal systems.

A Detailed Analysis of the Johnson Pump 81-47237-03 Vented Loop 1-1/2: Pros, Cons, and Conclusion

The Johnson Pump 81-47237-03 Vented Loop 1-1/2 is a popular choice for various applications due to its efficiency and reliable performance. In this analysis, we will discuss the key advantages and disadvantages of this pump, followed by a conclusion and recommendation.

1. Efficient Design: The Johnson Pump 81-47237-03 Vented Loop 1-1/2 is designed with a high-performance impeller that provides excellent suction and discharge capabilities, making it suitable for handling a wide range of fluids.

2. Vacuum Primer: This pump features a vacuum primer that assists in priming the pump when dealing with low fluid levels or air locks in the suction line.

3. Stainless Steel Construction: The pump housing and impeller are made of stainless steel, which offers durability and resistance to corrosion, ensuring long-lasting performance.

4. Easy Maintenance: The pump comes with an easily accessible inspection cover, making routine maintenance simple and efficient.

5. Wide Temperature Range: The Johnson Pump 81-47237-03 Vented Loop 1-1/2 can operate in a wide temperature range, making it suitable for various applications.

1. Power Consumption: This pump may require higher power consumption compared to some other models in its class, which could lead to increased energy costs.

2. Size and Weight: The Johnson Pump 81-47237-03 Vented Loop 1-1/2 is relatively larger and heavier than some other pumps, which could make it less portable for certain applications.

The Johnson Pump 81-47237-03 Vented Loop 1-1/2 is an excellent choice for applications that require a high-performance, durable, and efficient pump. Its advantages, such as efficient design, vacuum primer, stainless steel construction, easy maintenance, and wide temperature range, far outweigh its disadvantages, including higher power consumption and larger size.

Based on the analysis of the Johnson Pump 81-47237-03 Vented Loop 1-1/2, we highly recommend this pump for industrial, agricultural, or residential applications that demand a reliable and efficient pumping solution. Its robust design, excellent performance, and ease of maintenance make it an excellent investment for various fluid handling requirements.

Details:

Installed into toilet discharge lines or in systems that are mounted beneath the waterline, The inverted U-shape has a vent allows air to escape, Allows escape prevent back-siphoning, Vented Loop Diameter: 1-1/2.

part #: 814723703 price

• $42.68

specifications vehielectro:

• brand: Johnson Pump
• included components: Johnson Pump 81-47237-03 Vented Loop 1-1/2
• required product compliance certificate: California Air Board
• model name: 81-47237-03
• size: 1-1/2 Inches
• battery weight: 0.5
• upc: 330717009946
• package dimensions lxwxh: 10.2x6.14x1.69 Inches
• weight: 0.24 Pounds

general vehielectro:

• condition: New
• Consumer Electronics > Vehicle Electronics GPS > Other Vehicle Electronics

payments vehielectro:

• other
• credit card: Visa
• wallet: Google-pay

offer vehielectro:

• sold: 0
• started: August 6, 2025
• options: Ship-to-home
• quantity: 1
• availability: In Stock

seller vehielectro:

• rating: 99.3%
• city: Eugene, Oregon
• # reviews: 133

shipping vehielectro:

• transit: 3-9 Days
• class: Expedited
• cost: $0.00
• service: Expedited
• type: Fixed

returns vehielectro:

• policy: No Returns

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