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Item #:
6159305
Fieldpiece JL3KR4 HVACR Charge Kit
90% of respondents would recommend this to a friend
Item #:
6159305
XCD 1708
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Thursday, September 24
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The new Job link probes have a powerful wireless signal range of 350’ and transmit through walk-ins.
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What Stands Out
All-in-One Solution
The JL3KR4 kit provides comprehensive tools for HVACR technicians, combining a digital manifold, probe thermometers, and wireless connectivity, saving time and effort on any job site.
Advanced Technology
Utilizing Bluetooth wireless technology, the kit easily transmits data to smart devices, allowing for quick readings and documentation, ensuring accuracy while enhancing overall efficiency for HVACR professionals.
User-Friendly Design
With an intuitive interface and rugged build, the Fieldpiece JL3KR4 kit is designed for ease of use and durability, helping technicians tackle challenging environments with confidence and reliability.
Product Details
- Powerful wireless signal range of 350’ with transmission through walk-ins
- Live readings and reports available in the Job link app for HVACR professionals
- Accurate at any elevation with a stabilization time of under 5 seconds and +/-1° accuracy
- Long flexible probe with sliding magnet for precise hands-free testing
- Fieldpiece's goal is to provide HVACR professionals with the best tools possible
- The brand's history is rooted in the founder's vision for a stick meter with detachable heads
| Power Source | Battery Powered |
| Measurement Type | Pressure, Temperature |
| Compatible Devices | Mobile devices with 'job link app', Bluetooth-enabled devices |
| Style Name | Handheld |
| Color | Yellow |
| Item Dimensions | 10 x 4 x 7 inches (25.4 x 10.2 x 17.8 cm) |
| Brand Name | Fieldpiece |
| Model | JL3KR4 |
| Unit Count | 1 Count |
| UPC | 872641003395 |
| Number of Items | 1 |
| Manufacturer | Fieldpiece |
| Global Trade Identification Number | 00872641003395 |
| Included Components | Job Linku2122 Charge Kit |
| Item Type Name | HVACR Charge Kit |
| Part Number | JL3KR4 |
| Brand | Fieldpiece |
| Style | Handheld |
| Item dimensions L x W x H | 10 x 4 x 7 inches (25.4 x 10.2 x 17.8 cm) |
Who Should Buy?
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HVAC Technicians
Ideal toolset for professionals needing accurate refrigerant charge measurements during repairs or installations.
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Refrigeration Services
Great for businesses specializing in refrigeration maintenance, ensuring efficient system operation and reliability.
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DIY Enthusiasts
Perfect for knowledgeable homeowners taking on HVAC repairs or maintenance, providing essential tools for effective refrigerant management.
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Occasional Users
Not suitable for individuals who only need HVAC tools infrequently, as it may be an unnecessary investment.
Product Description
Fieldpiece JL3KR4 HVACR Charge Kit
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Customer Questions & Answers
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Question:
What is included in the Fieldpiece JL3KR4 HVACR Charge Kit?
Answer: The Fieldpiece JL3KR4 HVACR Charge Kit includes a manifold gauge set, two color-coded hoses, and a high-pressure refrigerant scale. This kit is designed for HVAC technicians to efficiently charge and recover refrigerants from HVAC systems. The manifold gauge allows for accurate pressure readings, while the hoses make it easy to connect to both high and low-pressure sides of the system. Technicians use this kit for various tasks like checking refrigerant levels, ensuring safe operation, and maintaining HVAC efficiency. -
Question:
What types of refrigerants can the Fieldpiece JL3KR4 be used with?
Answer: The Fieldpiece JL3KR4 HVACR Charge Kit is compatible with multiple refrigerants, including R-22, R-410A, R-134A, and R-404A. This versatility makes it essential for technicians servicing a variety of HVAC systems. Knowing the compatibility is crucial as using the wrong refrigerant can lead to system damage or inefficiencies. For instance, if a technician is working on an older system using R-22, they can confidently use this kit to charge or recover the refrigerant without concern for compatibility issues. -
Question:
How accurate are the pressure readings on the Fieldpiece JL3KR4?
Answer: The gauges on the Fieldpiece JL3KR4 offer high accuracy, providing precise pressure readings within a range of 0-500 psi. Accurate pressure readings are essential for diagnosing HVAC systems effectively and ensuring they operate within manufacturer specifications. This accuracy helps technicians make informed decisions about repairs and maintenance. For example, if a technician detects low pressure readings, it could indicate a leak or insufficient refrigerant, prompting immediate action to prevent larger system issues. -
Question:
Can beginners use the Fieldpiece JL3KR4 HVACR Charge Kit?
Answer: Yes, the Fieldpiece JL3KR4 HVACR Charge Kit is user-friendly, making it suitable for both beginners and experienced technicians. The color-coded hoses and clearly marked gauges guide users in establishing correct connections, reducing the risk of errors. Additionally, many beginners find it beneficial to learn on a straightforward and reliable tool, which makes tackling HVAC maintenance tasks less daunting. For example, a new technician can practice charging an AC unit under the guidance of an experienced mentor, using this kit for accurate results. -
Question:
Is the Fieldpiece JL3KR4 durable for professional use?
Answer: Absolutely, the Fieldpiece JL3KR4 HVACR Charge Kit is built with professional-grade materials, ensuring durability and longevity even in rugged work environments. Technicians often encounter challenging conditions, and the robust construction helps withstand drops and rough handling. For instance, using this kit on job sites like industrial settings or remote locations makes it a reliable companion, ensuring that professionals can rely on it for accurate measurements without fear of it failing unexpectedly. -
Question:
What safety features does the Fieldpiece JL3KR4 have?
Answer: The Fieldpiece JL3KR4 HVACR Charge Kit includes safety features such as pressure relief valves and burst-proof hoses. These features prevent over-pressurization and reduce the risk of accidents during operation. Safety is paramount while working with refrigerants, and these built-in measures provide peace of mind to users. A technician working on a high-pressure system benefits from these safety features, ensuring that they can carry out their work without unnecessary risks. -
Question:
How does the Fieldpiece JL3KR4 compare to other HVACR charge kits?
Answer: The Fieldpiece JL3KR4 stands out in terms of accuracy, durability, and compatibility when compared to other HVACR charge kits. Reviews often highlight its reliable performance and professional-grade quality, making it a preferred choice among technicians. Competitors may offer similar products, but the Fieldpiece JL3KR4's robust construction and precise pressure gauges often lead to consistent results. HVAC professionals who prioritize reliability choose this kit for its proven track record in the field. -
Question:
What maintenance is required for the Fieldpiece JL3KR4?
Answer: Maintaining the Fieldpiece JL3KR4 HVACR Charge Kit is relatively straightforward; it involves regular cleaning and inspection of the hoses and gauges for any wear or damage. Keeping the kit clean prevents contaminants from affecting performance. Additionally, technicians should store the kit in a protective case when not in use to minimize the risk of damage. For example, after using the kit on a job site, a technician could wipe down the gauges and check the hoses to ensure they are in good condition for the next job. -
Question:
Can I use the Fieldpiece JL3KR4 for vacuuming systems?
Answer: No, the Fieldpiece JL3KR4 HVACR Charge Kit is specifically designed for charging and recovering refrigerants and does not include a vacuum pump. For vacuuming HVAC systems, a separate vacuum pump is necessary to remove air and moisture from the system before charging it. This step is crucial for maintaining system efficiency and preventing potential damage due to moisture. Technicians often use the JL3KR4 in conjunction with a vacuum pump to ensure that the system is properly prepared for refrigerant charging. -
Question:
Where can I buy the Fieldpiece JL3KR4 HVACR Charge Kit in Saint Vincent?
Answer: You can purchase the Fieldpiece JL3KR4 HVACR Charge Kit at Ubuy, which offers a wide range of HVAC tools and equipment. Ubuy is known for its diverse selection and user-friendly interface, making it a reliable destination for HVAC technicians looking to enhance their toolkits. Shopping at Ubuy ensures that you have access to authentic products and reliable service, making it a preferred choice for professionals in Saint Vincent.
Fieldpiece Multi Testers Editorial Review
Fieldpiece JL3KR4 HVACR Charge Kit revolutionizes HVAC tasks by enabling precise pressure and temperature measurements directly through a Bluetooth-enabled mobile app. Users praise its ability to minimize refrigerant loss by connecting directly to the system's service port, eliminating the need for cumbersome hoses. This lightweight, handheld kit is battery powered and compact, perfect for on-the-go professionals. Though the app’s functionality has minor issues, its basic features suffice for hobbyists and professionals alike. The ability to monitor readings from a distance adds impressive convenience, making it a favorite among HVAC contractors.
Customer Reviews & Ratings
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Pros
- Minimizes refrigerant loss during measurements
- Bluetooth connection for easy data access
- Handheld design is compact and portable
- Compatible with mobile devices via Job Link app
- User-friendly for both professionals and hobbyists
Cons
- App functionality could be improved with updates
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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XCD 1708
Order now and get it around Thursday, September 24
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Powerful wireless signal range of 350’
- Transmits through walk-ins
- View live readings and reports from anywhere on the job site
- Accurate at any elevation
- Stabilizes in under 5 seconds with +/-1° accuracy
- Long flexible probe with sliding magnet for easy and precise hands-free testing
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Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.