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J/B Industries PR-308 Flexible Vacuum Pump Coupler Sleeve Only
The Vacuum Pump Coupler Sleeve is a must-have for all your vacuum pump projects.
J/B Industries PR-308 Flexible Vacuum Pump Coupler Sleeve Only
Item #: 28878024

J/B Industries PR-308 Flexible Vacuum Pump Coupler Sleeve Only

Item #: 28878024

AUD 42

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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us Imported from USA store

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Order now and get it around Wednesday, August 19
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The Vacuum Pump Coupler Sleeve is a must-have for all your vacuum pump projects.
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What Stands Out

Flexible Design
The flexible design of the coupler sleeve accommodates various pump applications, reducing stress on components and enhancing durability for prolonged use.
Enhanced Performance
Specifically engineered to improve vacuum performance, this coupler sleeve minimizes air leakage, ensuring efficient operation and optimal power retention for your vacuum pump system.
Easy Installation
Designed for user convenience, the coupler sleeve allows for quick and straightforward installation, saving time and eliminating the need for specialized tools or expertise.

Product Details

Upgrade Your Vacuum Pump with the PR-308 Coupler Sleeve. Get the Best Deals on Ubuy Australia for Top-Quality Vacuum Pump Accessories.
  • Replacement flexible vacuum pump coupler sleeve
  • Compatible with JB Industries PR-308 vacuum pump
  • Durable and flexible construction
  • Ensures a secure connection between pump and motor
  • Easy to install and use
  • Essential for maintaining vacuum pump efficiency
Package Weight1 Pound

Who Should Buy?

Suitable For
  • DIY Enthusiasts

    Perfect for hobbyists who need to replace couplers in vacuum systems without requiring a full pump replacement.

  • Professional Technicians

    Ideal for technicians needing a reliable, flexible coupler for efficient vacuum pump maintenance and repairs.

  • HVAC Specialists

    Great for HVAC professionals requiring durable couplers for evacuating air conditioning systems or refrigeration units.

Not Suitable For
  • Heavy Industrial Use

    Not suitable for heavy-duty vacuum applications that demand robust couplers designed for high-stress environments.

Product Description

J/B Industries PR-308 Flexible Vacuum Pump Coupler Sleeve Only

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Customer Questions & Answers

  • Question: What is the purpose of the JB Industries PR-308 Flexible Vacuum Pump Coupler Sleeve?

    Answer: The JB Industries PR-308 Flexible Vacuum Pump Coupler Sleeve is designed to connect a vacuum pump to its motor while allowing for some movement and flexibility. This reduces the risk of damage caused by vibrations or misalignments during operation. It's particularly beneficial in environments where equipment might not be perfectly aligned or when slight adjustments are necessary.
  • Question: Is the JB Industries PR-308 coupler sleeve compatible with all vacuum pumps?

    Answer: The PR-308 coupler sleeve is specifically designed for compatibility with JB Industries vacuum pumps. While it may fit other brands, it is always best to consult the manufacturer's specifications or contact customer support to ensure compatibility with your specific model. Using the correct sleeve ensures optimal performance and prevents potential damage.
  • Question: How do I install the JB Industries PR-308 coupler sleeve?

    Answer: Installing the JB Industries PR-308 coupler sleeve involves a straightforward process. First, ensure that your vacuum pump and motor are disconnected. Place the coupler sleeve on both the pump and motor shafts, aligning it properly. Secure it with the appropriate screws or clamps as per your pump's manual. This allows for flexibility while ensuring a strong connection for efficient operation.
  • Question: What materials are used in the JB Industries PR-308 coupler sleeve?

    Answer: The JB Industries PR-308 coupler sleeve is made from high-quality, durable materials designed to withstand the rigors of regular use. It typically features a flexible construction allowing it to absorb vibrations and provide a reliable connection. This ensures long-lasting performance and minimizes wear and tear, making it a smart choice for any vacuum pump user.
  • Question: Can the JB Industries PR-308 coupler sleeve be used for heavy-duty applications?

    Answer: Yes, the JB Industries PR-308 coupler sleeve is suitable for heavy-duty applications thanks to its robust design and flexible nature. It's engineered to handle both industrial and commercial vacuum pumping tasks, providing a reliable connection that can endure high-stress scenarios. This makes it an excellent choice for users needing a long-lasting and flexible solution.
  • Question: What maintenance does the JB Industries PR-308 coupler sleeve require?

    Answer: Maintaining the JB Industries PR-308 coupler sleeve involves periodic inspections for wear, dirt buildup, or damage. Regularly check the connections to ensure they are secure and that the sleeve remains flexible. If any cracks or significant wear are noticed, it’s advisable to replace the sleeve promptly to maintain optimal pump performance and prevent failures.
  • Question: Where is the JB Industries PR-308 coupler sleeve manufactured?

    Answer: The JB Industries PR-308 coupler sleeve is manufactured in the Australia, adhering to high-quality standards. This is vital as it ensures that the product meets rigorous performance benchmarks and durability expectations, catering to both professional and DIY users who demand reliability in their equipment.
  • Question: What are the benefits of using a flexible coupler sleeve like the PR-308?

    Answer: Using a flexible coupler sleeve like the JB Industries PR-308 offers several benefits, including reduced wear on both the motor and pump, minimized transmission of vibrations, and the ability to accommodate slight misalignments. This enhances the overall lifespan of your vacuum pump system, enabling a smoother operation and lower maintenance costs in the long run.
  • Question: How does the JB Industries PR-308 improve vacuum pump performance?

    Answer: The JB Industries PR-308 improves vacuum pump performance by providing a reliable and flexible connection that absorbs vibrations. This flexibility allows for better alignment between the pump and motor, ensuring efficient power transfer and optimizing the vacuum performance. In commercial settings, this can lead to improved processing times and reduced downtime due to equipment failure.
  • Question: Where can I buy the JB Industries PR-308 Flexible Vacuum Pump Coupler Sleeve in Australia?

    Answer: You can purchase the JB Industries PR-308 Flexible Vacuum Pump Coupler Sleeve from Ubuy in Australia. Ubuy offers a user-friendly online shopping experience, ensuring you can find and acquire this product quickly and conveniently, along with various other tools and equipment.

JB Industries Air Conditioning Line Repair Tools Editorial Review

The J/B Industries PR-308 Flexible Vacuum Pump Coupler Sleeve is a highly sought after product because of its compatibility as a replacement part for various generators and pumps. It fits perfectly in most models, and it works just as well as the original part. Customers seem to have had an easy time installing it as well. However, there is no information on the product's longevity or warranty.

Customer Reviews & Ratings

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Pros

  • Perfect fit for various generators and pumps
  • Easy to install
  • Highly compatible

Cons

  • No information regarding longevity or warranty

Platform Trust & Buyer Confidence

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4/5 294 reviews
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Chris
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“Promt delivery. Seems like a good product.”

22 July 2026 · via Trustpilot
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Scott
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“It was the best service ever received by any company from my online shopping experience in the last 10yrs”

11 July 2026 · via Trustpilot
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Terri
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“so easy to order delivery was way earlier than i expected”

3 July 2026 · via Trustpilot
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Gavin
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“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”

21-Jul-26 · via Trustpilot
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Jeannie
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“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”

17-Jul-26 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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