DUOYI 522A 8-Piece HVAC Diagnostic Tool Set, 3-Valve Digital Manifold Gauge with Pressure Temperature Vacuum Tester, 1 Set Heavy Duty 93 Refrigerants R134A R410A

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DUOYI 522A 8-Piece HVAC Diagnostic Tool Set, 3-Valve Digital Manifold Gauge with Pressure Temperature Vacuum Tester, 1 Set Heavy Duty 93 Refrigerants R134A R410A

4.5 stars out of 10 reviews

(4.5)|

10 ratings

DUOYI 522A 8-Piece HVAC Diagnostic Tool Set, 3-Valve Digital Manifold Gauge with Pressure Temperature Vacuum Tester, 1 Set Heavy Duty 93 Refrigerants R134A R410A Refrigeration Digital Pressure Gauge Kit HVAC Manifold Gauges Air Conditioning Fridge Diagnostic Maintenance Tool 3 Way A C Freon Recharge Tester R12 DUOYI Digital Manifold Gauge 2 Valve HVAC Vacuum Refrigeration Meter Pressure Temperature Tester Air Conditioning Diagnostic Repair Tool W 89 Types R Digital Manifold Gauge HVAC Refrigeration Pressure Gauge Air Conditioning Fridge Freon Diagnostic Meter W R11 R1234yf R410a R134a Refrigerants Car Ve Refrigeration Digital Manifold Gauge HVAC Vacuum Pressure Gauge Air Conditioning Maintenance Diagnostic Tool Freon Temperature Tester R410a R134a Ref DUOYI 2Pcs HVAC Temp Control Clip Refrigeration Probe Temperature Clamps for DY517A DY522A 0 23 0 98 Dia Pipe Digital Intelligent Freon Gauge Refrigeration Manifold Gauge Kit Air Conditioning Digital Manifold Gauge HVAC Fridge Freon Maintenance Pressure Gauge R134a Refrigerants C Refrigerat

Actual Color:Gray

Key item features

‌The burst pressure of the hose set is 3000PSI, and product supports 4pcs 1.5V AA batteries.
A deviation of 3% between the measured temperature of the digital manifold gauge and the actual temperature is allowed.
The valve sealing of a slight leakage will not affect daily use.
Please operate in accordance with the operating instructions or the professional personnel guide.
Before using the device, please ensure that the accessories are properly connected to the host. Incorrect connection will affect the normal operation of the device.
After the HVAC gauges must press the ZERO key to clear the numbers after you power it on, and then you can use it normally.
Before the temperature test,please pay attention to the conversion between temperature units(Fahrenheit and Celsius).
Please use the instrument in a well-ventilated environment to prevent inhalation of toxic gases.
Please do not change the instrument internal circuit, to avoid any damage of the instrument or danger occurring.
Do not use and store the instrument in high temperature, high humidity, flammable, explosive and strong electromagnetic fields.

Specs

Features
Ergonomic Design, Compact, Durable
Brand
DUOYI
Manufacturer Part Number
MMT531
Manufacturer
DUOYI
Assembled Product Weight
6.93 lb
Assembled Product Dimensions (L x W x H)
5.70 x 9.45 x 1.97 Inches

Current price is $149.99

Price when purchased online

Free shipping
Free 30-day returns

How do you want your item?

Columbus, 43215

Arrives between Mar 20 - Mar 23

Sold and shipped by DUOYI Official Store

4.142857142857143 stars out of 5, based on 42 seller reviews(4.1)

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Free 30-day returns

About this item

Product details

The DUOYI 522A digital manifold gauge set helps you test and repair car, home, and fridge AC systems. It supports 93 refrigerants including R12, R134a, R410A, and R1234yf, with a built-in database for accurate pressure and temperature readings. Easy to use and great for both pros and DIYers. Buy now and get a free circuit diagnostic tester to check car AC at home and save on repair shop costs.

‌The burst pressure of the hose set is 3000PSI, and product supports 4pcs 1.5V AA batteries.
A deviation of 3% between the measured temperature of the digital manifold gauge and the actual temperature is allowed.
The valve sealing of a slight leakage will not affect daily use.
Please operate in accordance with the operating instructions or the professional personnel guide.
Before using the device, please ensure that the accessories are properly connected to the host. Incorrect connection will affect the normal operation of the device.
After the HVAC gauges must press the ZERO key to clear the numbers after you power it on, and then you can use it normally.
Before the temperature test,please pay attention to the conversion between temperature units(Fahrenheit and Celsius).
Please use the instrument in a well-ventilated environment to prevent inhalation of toxic gases.
Please do not change the instrument internal circuit, to avoid any damage of the instrument or danger occurring.
Do not use and store the instrument in high temperature, high humidity, flammable, explosive and strong electromagnetic fields.

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Features

Ergonomic Design, Compact, Durable

Brand

DUOYI

Manufacturer Part Number

MMT531

Manufacturer

DUOYI

Warranty

Warranty information

1 Year Warranty

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

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Customer ratings & reviews

4.5 out of 5 stars

stars10 ratings4 reviews

How item rating is calculated

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Showing 1-3 of 4 reviews

Jun 20, 2025

joe

Walmart Associate

Item details

Color: A/C Hose

Sold and shipped byDUOYI Official Store

5 out of 5 stars review

Verified Purchase

very nice hoses i like the tightening tools on them !

Helpful?

Jul 1, 2023

DianeM

Sold byDUOYI Official Store

5 out of 5 stars review

Verified Purchase

Great aHVAC Meter

This worked fabulous, just as good as the big brand named.

Helpful?

Dec 11, 2023

carlos

Sold byDUOYI Official Store

4 out of 5 stars review

Verified Purchase

Needs hoses

Options to purchase with a set of Hoses(blue %26 yellow)

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DUOYI 522A 8-Piece HVAC Diagnostic Tool Set, 3-Valve Digital Manifold Gauge with Pressure Temperature Vacuum Tester, 1 Set Heavy Duty 93 Refrigerants R134A R410A

Key item features

Specs

How do you want your item?

About this item

Product details

Specifications

Features

Brand

Manufacturer Part Number

Manufacturer

Warranty

Warranty information

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