ROBERTSHAW JB-745-4 Pressurized Cooling Tester Kit

( Brand: Robertshaw ), ( Manufacturer Part Number: JB-745-4 ), ( Type: Cooling System Pressure Tester )

Review ROBERTSHAW Vintage Pressurized Cooling System Tester Kit

The Robertshaw JB-745-4 Pressurized Cooling Tester Kit is a comprehensive tool designed for testing the pressure and functionality of air-conditioning and refrigeration systems. This kit comes equipped with all the necessary components to carry out an accurate and efficient pressure test, ensuring the safe and optimal performance of your cooling systems.

The heart of this tester kit is the robust and reliable pressure gauge. It is a dial type gauge with a large, easy-to-read face that displays the pressure reading accurately. The gauge has a capacity of 350 psi and is built to withstand the rigors of industrial use. The gauge is connected to the system via a high-quality hose made of reinforced rubber for flexibility and durability.

The kit also includes a set of Schrader valve adapters, allowing you to test systems with various types of valves. The adapters are made of brass, ensuring a secure connection and resistance to corrosion. Additionally, the kit comes with a pair of test caps, which can be used to seal the system during the testing process.

One of the key safety features of the Robertshaw JB-745-4 Pressurized Cooling Tester Kit is the pressure relief valve. This valve is designed to automatically release excess pressure if the pressure inside the system exceeds a certain limit, preventing potential damage or injury. The valve is adjustable, allowing you to set the relief pressure according to the requirements of your specific application.

The kit also includes a set of instructions, detailing the steps to follow when carrying out a pressure test. These instructions are clear and easy to understand, making it an ideal choice for both experienced professionals and those new to the field.

In summary, the Robertshaw JB-745-4 Pressurized Cooling Tester Kit is a versatile and essential tool for anyone involved in the maintenance and repair of air-conditioning and refrigeration systems. Its high-quality components, ease of use, and safety features make it a reliable and indispensable addition to your toolbox.

The Robertshaw JB-745-4 Pressurized Cooling Tester Kit is designed to test the functionality of air conditioning and refrigeration systems. Here are some pros and cons of buying this tester kit:

1. Accurate Testing: This kit allows for accurate pressure testing of various refrigeration and air conditioning systems. It includes a wide range of test points and can measure both high and low side pressures.

2. Durable: The kit is made of high-quality materials and is built to last. It can withstand the rigors of regular use and is resistant to corrosion.

3. Easy to Use: The kit comes with clear instructions and is relatively easy to use. It includes a pressure gauge, test hoses, and fittings, making it a complete solution for testing refrigeration and air conditioning systems.

1. Expensive: The Robertshaw JB-745-4 Pressurized Cooling Tester Kit is more expensive than some other tester kits on the market. It may not be a viable option for those on a tight budget.

2. Heavy: The kit is quite heavy, making it difficult to transport from one location to another. It may require two people to lift and move it.

3. Limited Compatibility: While the kit can test a wide range of refrigeration and air conditioning systems, it may not be compatible with all systems. It's essential to check the specifications of your system to ensure compatibility.

The Robertshaw JB-745-4 Pressurized Cooling Tester Kit is an excellent investment for those who need to regularly test refrigeration and air conditioning systems. Its accuracy, durability, and ease of use make it a valuable tool for professionals in the HVAC industry. However, its high cost and limited compatibility may make it less suitable for individuals or small businesses with limited budgets or specific system requirements.

If you require a reliable and accurate tester kit for refrigeration and air conditioning systems, the Robertshaw JB-745-4 Pressurized Cooling Tester Kit is an excellent option. Its high-quality construction and comprehensive range of test points make it a valuable tool for professionals in the HVAC industry. However, if you're on a tight budget or have specific system requirements, you may want to consider alternative tester kits that offer similar functionality at a lower price point.

Details:

Comes with extra 30psi gauge and 2 RSP 22 safety pressure caps. The Robertshaw Vintage Pressurized Cooling System Tester Kit JB-745-4 is a diagnostic service tool specifically designed for automotive use. With the manufacturer part number JB-745-4, this kit provides essential tools for maintaining and repairing automotive cooling. Systems with ease and precision.

part #: jb7454 price

• $29.95

specifications diagitools:

• brand: Robertshaw
• mpn: Jb-745-4
• type: Cooling System Pressure Tester

offer diagitools:

• started: December 28, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• best offers: True

returns diagitools:

• policy: No Returns

general diagitools:

• condition: Used
• Automotive Tools Supplies > Diagnostic Service Tools > Other Diagnostic Service Tools

shipping diagitools:

• class: Standard
• transit: 6-12 Days
• cost: $7.92
• carrier: USPS
• type: Calculated
• service: USPS Ground Advantage

seller diagitools:

• # reviews: 0
• city: Westminster, South Carolina
• rating: 0.0%

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• other

Robertshaw JB-745-4 Is Similar To:

• Robertshaw 09965 Vintage Pressurized Cooling System Tester Kit (91.3% similar) This included instructions case etc. Probably open box doesn't look like it was ever put to use what you see in the pictures. USA only but god bless us all...(December 28th, 2025)