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Item #:
88371563
HVAC Digital Manifold Gauge Set, 92 Refrigerant, Dual Pressure&Vacuum Test | LCD Display Digital HVAC Gauges, R134A R22 R410A Refrigerant Gauge with
88% of respondents would recommend this to a friend
Item #:
88371563
GMD 7502
Price Details
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Imported from USA store
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Only 17 items left in stock.
Order now and get it around Wednesday, September 30
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This digital refrigerant gauge has a 92 refrigerant database suitable for various maintenance occasions, and a built-in 32-bit digital processing unit to ensure data stability and accuracy.
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What Stands Out
Comprehensive Refrigerant Support
Supports 92 refrigerants, allowing technicians to work with various HVAC systems seamlessly, enhancing versatility and convenience compared to competitors.
Accurate Pressure Readings
Provides precise pressure and vacuum measurements, ensuring optimal system performance and efficiency, crucial for preventing costly repairs and maintaining system integrity.
Complete Tool Set
Includes 3 hoses, R134A quick connectors, and a valve core remover, offering a ready-to-use solution that empowers HVAC professionals to tackle a variety of tasks effectively and easily.
Product Details
| Brand Name | CMTOOL |
| Part Number | AQ-70 |
| Manufacturer | CMTOOL |
| Included Components | digital hvac gauge set |
| Model | HVAC Digital Manifold Gauge Set |
| Material Type | Plastic |
| Item Dimensions | 10.62 x 9.84 x 3.9 inches (27 x 25 x 9.9 cm) |
| Item Weight | 2762 g |
| Brand | CMTOOL |
| Material | Plastic |
| Item dimensions L x W x H | 10.62 x 9.84 x 3.9 inches (27 x 25 x 9.9 cm) |
What's in the box
digital hvac gauge set
Who Should Buy?
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HVAC Professionals
Ideal for experienced technicians needing accurate pressure readings and comprehensive refrigerant compatibility in their work.
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DIY Enthusiasts
Great for home HVAC projects, enabling users to perform pressure and vacuum tests effectively with ease.
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Refrigerant Management
Beneficial for businesses managing multiple refrigerants, thanks to its capability to handle up to 92 different types.
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Casual Users
Not suitable for individuals without HVAC knowledge as complexity can lead to improper use and safety issues.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are HVAC digital manifold gauges used for?
Answer: HVAC digital manifold gauges are essential tools for HVAC technicians and professionals, allowing them to measure and diagnose the pressure and vacuum levels in HVAC systems. These gauges enable effective troubleshooting of air conditioning units and refrigeration systems by monitoring refrigerant levels and ensuring optimal performance. For example, in a scenario where an AC unit isn't cooling properly, a technician can use these gauges to check for refrigerant leaks or improper pressure levels, facilitating accurate repairs. -
Question:
How do you use digital manifold gauges?
Answer: Using digital manifold gauges involves connecting the hoses to the correct service ports on the HVAC unit and powering on the device. The digital display will provide real-time pressure readings for both the high and low pressure sides of the system. It is vital to understand the specific refrigerant type being used and follow the manufacturer's instructions for accurate readings. This ensures that issues such as overcharging or undercharging of the refrigerant are identified and corrected seamlessly in your HVAC maintenance work. -
Question:
What types of refrigerants can these gauges measure?
Answer: The HVAC digital manifold gauges are designed to measure a wide range of refrigerants, specifically 92 refrigerants including R410A, R134A, R1234YF, R12, and R404A. This versatility makes them suitable for various applications, as different HVAC systems may use different refrigerants. For instance, if you are servicing a modern vehicle or refrigerator, you may encounter R134A, while a commercial AC system might use R410A. Understanding the compatibility of your gauges helps in maintaining these systems effectively. -
Question:
What is the importance of testing pressure and vacuum in HVAC systems?
Answer: Testing pressure and vacuum is crucial in HVAC systems as it helps ensure that the system operates efficiently and reliably. High or low pressure can indicate issues such as blockages, refrigerant leaks, or component failures. By using the digital manifold gauges to perform these tests, technicians can quickly diagnose problems and implement appropriate solutions, ensuring optimal operation and energy efficiency. For instance, a technician may find that low suction pressure indicates a refrigerant leak that needs to be addressed. -
Question:
Are these gauges suitable for both residential and commercial use?
Answer: Yes, these HVAC digital manifold gauges are suitable for both residential and commercial applications. Their versatility makes them ideal for a variety of systems, from small AC units in homes to larger commercial refrigeration systems. Whether you are a technician working on a residential ductless system or a commercial chiller, these gauges provide accurate and essential diagnostics needed for effective maintenance and repairs. -
Question:
What features should I look for in HVAC manifold gauges?
Answer: When selecting HVAC manifold gauges, look for features such as a digital display for easy reading, built-in temperature compensation, and compatibility with multiple refrigerants. Additionally, gauges with data logging capabilities can be incredibly useful for keeping track of performance over time. Some gauges also come with backlit displays for visibility in low-light conditions, enhancing usability. These features not only improve accuracy but also streamline the work process for HVAC professionals. -
Question:
Can I use these gauges to diagnose refrigerant leaks?
Answer: Yes, these digital manifold gauges can be used to diagnose refrigerant leaks. If there is a significant drop in pressure readings during testing, it can indicate a leak in the system, prompting further inspection. By connecting the gauges and observing the pressure levels, technicians can identify if refrigerant is escaping due to faulty seals or connections. Identifying leaks early is important in preventing system failures and ensuring energy efficiency. -
Question:
What is included in the HVAC manifold gauge set?
Answer: An HVAC manifold gauge set typically includes the digital pressure gauge, hoses, and adapters for connecting to various refrigerant systems. Some sets may also include additional accessories like a case for storage, instructions, and safety gear. This comprehensive package allows technicians to be equipped with everything necessary to conduct thorough diagnostics on HVAC systems. Having all the tools in one kit streamlines the repair process and ensures you are prepared for a variety of service calls. -
Question:
How can I ensure the accuracy of my HVAC gauges?
Answer: To ensure the accuracy of your HVAC gauges, regular calibration is necessary as per the manufacturer's guidelines. Additionally, checking the condition of the hoses for leaks and ensuring proper connections at service ports is vital for accurate readings. Before starting any diagnostics, it’s also best to use the gauges in a controlled environment to avoid interference from external factors. Accuracy is crucial in diagnostics, as improper readings can lead to ineffective repairs and increased costs. -
Question:
Where can I buy HVAC Gauges Digital Manifold Gauges HVAC Manifold Gauge Set in The Gambia?
Answer: You can purchase HVAC Gauges Digital Manifold Gauges and the complete HVAC Manifold Gauge Set on Ubuy. Ubuy offers a wide selection of HVAC tools, including various manifold gauge sets that cater to the different refrigerants you may encounter. The platform is an excellent choice for finding quality products and receiving them conveniently right at your doorstep, ensuring you have the tools you need for effective HVAC maintenance.
CMTOOL Air Conditioning Line Repair Tools Editorial Review
The CMTOOL Digital HVAC Gauges Set delivers a commendable performance tailored for part-time technicians and DIY enthusiasts. According to user reviews, the set offers a solid balance between functionality and affordability, catering well to those in need of a reliable tool for maintenance tasks. Many users have expressed their satisfaction with the compact design and the inclusion of three hoses, which are deemed to be of an appropriate length for various applications. The set incorporates settings for an impressive 92 different refrigerants, which eliminates the hassle of Consulting separate pressure-temperature charts for each refrigerant type. However, some users have reported isolated incidents of quality control issues, such as a malfunctioning display on a newly purchased unit. While these instances are outliers, they have caused some customers to question the reliability of the product. Nonetheless, the overall sentiment remains positive; users appreciate how the gauges have increased efficiency and accuracy in their work. The convenient case is also a welcomed addition for storage, though some users prefer to keep their hoses connected for quicker access. In summary, the CMTOOL Digital HVAC Gauges Set is well-received among casual HVAC practitioners and is Considered a smart purchase for those looking to enhance their toolkit without splurging. Its range of refrigerant settings and straightforward usability standout as significant benefits, while a few reported defects serve as a cautionary note for potential buyers. **
Customer Reviews & Ratings
14 customers ratings
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5 Star
54%
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4 Star
19%
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3 Star
18%
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2 Star
0%
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1 Star
9%
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Pros
- Compact and easy to store.
- Compatible with a wide range of refrigerants (92).
- Included hoses are of appropriate length.
- Functional for both automotive and building refrigeration work.
- Increases accuracy by eliminating the need for separate P/T charts.
Cons
- Some users prefer to keep hoses connected and find storage in the case inconvenient.
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
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“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
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Hazel
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“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
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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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GMD 7502
Order now and get it around Wednesday, September 30
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QTY:
Only 17 items left in stock.
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Features & Benefits
- 92 refrigerant database for versatile use
- 32-bit digital processing unit for accurate data
- Supports multiple pressure and temperature units conversion
- Double pressure test capability for low and high-pressure pipelines
- Ability to calculate evaporation and condensation temperatures
- Features pressure leak test function and data zeroing option
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