Top 9 HVAC Service Wrench – Box Wrenches

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1. Uniweld


Uniweld 70074 Reversible Offset Ratchet Wrench with DHVA Dual Hex Wrench Adaptor

Uniweld #ad - Double ended reversible ratchet wrench with offset design for knuckle clearance in tight work areas. Square openings ¼” and 3/16” at one end; 3/8” and 5/16” at the other. Chrome plated, heat treated alloy steel construction with strong gear teeth and easy-flip reversing mechanism. Dhva dual hex adaptor fits deep inside and fully engages the 3/16” and 5/16” hex liquid and suction valves. Comes with uniweld’s dhva dual hex wrench adaptor for use on 3/16” and 5/16” hex liquid and suction valves on residential and commercial equipment.
BrandUniweld #ad
ManufacturerUniweld #ad
Height0.5 Inches
Length5.38 Inches
Weight0.15 Pounds
Width0.88 Inches
Part Number70074

2. Grant's Garage


2PK Air Conditioning Service Wrench Step Hex Key Adapter | HVAC Valve Opener 3/16 x 5/16

Grant's Garage #ad - Bonus: if you are ever worried about losing or forgetting tools… we got you on this! Instead of you getting just 1 key out of your purchase, you will be getting 2 keys for the price of 1! Save more time and more importantly spend less.

If you have any problems ever with our tools reach out and we will correct the issue. Convenient: use these in combinations with your service wrench for quick opening and closing of liquid and suction valves. Quality: each keys is cnc machined to guaurantee a perfect fit. A shortened tip allows the 5/16” more bite which avoids stripped valves. With the small size, you are able to fully backseat the valve with the bit inserted unlike some allan keys where they jam against the electrical panel especially with the Low side valve. Exclusive traits: tool fits both the 3/16" and 5/16" Hex valves common on most air conditioner service ports.
BrandGrant's Garage #ad
ManufacturerGrant's Garage #ad



Ratchet Wrench WADEO Ratcheting Service Wrench 3/8” to 1/4” with Hex Bit Adapter for Air Conditioning, Refrigeration Equipment, Equipment Repair

WADEO #ad - The straightness of the wrench and the ease of use are well suited to work comfortably everywhere. Double ended reversible ratchet wrench: Quick-flip reversing lever permits instant ratchet reversal.

Precision design: perfectly sized lengthwise, and the width of the handle is great. Compact and simple design: wrenches are compact in size, allowing maximum leverage, with clearly marked sockets for four nut sizes. Flat anti-skidding refrigeration wrench, suitable for daily work and household maintenance. Wrench and adapter size: wrench size: 3/16 inches, 5/16 inches, 1/4 inches and 3/8 inches; Adapter size: 3/16 inches and 5/16 inches. Industrial grade: forged from high quality chromium, high polished, stronger, more durable and corrosion resistant. Wrenches are ruggedly built with smooth edges for comfort.
BrandWADEO #ad
ManufacturerWADEO #ad
Part NumberIT0238+IT0239

4. raddar


1/4" x 3/16" Square x 3/8" x 5/16" Square., Best for HVAC Service. Smooth Ratcheting Action and Strong Gear. 4 Different Sizes, Refrigeration Ratchet Wrench

raddar #ad - Material is of good quality and made to stand up to hard use in the field. Perfectly sized lengthwise, and the width of the handle is great. Doesn't tire your hand. When a flat refrigeration wrench is needed, this is the one you reach for. Used almost daily. Even if you don't use it daily, when you need it you are glad that you have this one! Add to Cart. The straightness of the wrench and the ease of use are well suited to work comfortably everywhere.
Brandraddar #ad
Manufacturerraddar #ad
Height0.5 Inches
Length5.4 Inches
Width0.8 Inches
Part NumberIN-AT03

5. Hilmor


Hilmor Service Hex Key Adapter for Straight Service Ratcheting Wrench, 1839046

Hilmor #ad - Fitment: compatible with 3/16” and 5/16” hex valves HVAC Valve Opener. Professional quality: hilmor AC Service Wrench Hex Key Adaptor made in the USA. Durable construction: Engineered to last with high grade steel alloy, heat-treated for maximum strength. Ratchet wrench attachment: pair with the Hilmor Straight Service Ratcheting Wrench when accessing hard to reach liquid and suction-based valves. Product dimensions: length: 04", height: 2. 1", width: 04", weight: 01 lbs.
BrandHilmor #ad
ManufacturerHIMQ0 #ad
Height1 Inches
Length1 Inches
Width1 Inches
Part Number1839046

6. Yellow Jacket


Yellow Jacket 60616 Offset Service Refrigeration Wrench

Yellow Jacket #ad - Model number: 60616. Country of Origin: United States. Item package Weight: 3. 2 oz. Item package dimension: 5. 49999999439" l x 0799999999184" w x 0599999999388" h.
BrandYellow Jacket #ad
ManufacturerYellow Jacket #ad
Height1 Inches
Length6 Inches
Width2 Inches
Part Number60616

7. Malco


Malco RRW516P Ratchet Wrench Insert, 5/16-Inch

Malco #ad - Ideal for servicing heating, AC, and refrigeration units. Easy ratcheting action. Can reach hard to access valves. 1-5/8 inches long.
BrandMalco #ad
ManufacturerMalco #ad
Height8 Inches
Length0.5 Inches
Weight0.02 Pounds
Width5 Inches
Part NumberRRW516P

8. Yellow Jacket


Yellow Jacket 60610 Ratchet Wrench With Adapter

Yellow Jacket #ad - 60613 wrench. 60609 adapter. For opening and closing compressor service valves, rotalock valves and shutoff valves.
BrandYellow Jacket #ad
ManufacturerYellow Jacket #ad
Height1 Inches
Length6 Inches
Weight0.25 Pounds
Width1 Inches
Part Number60610

9. gohantee


1/4 x 3/16 Square x 3/8 x 5/16 Square Air Conditioning Ratcheting Service Wrench, gohantee Refrigeration Ratchet Wrench 4 Different Sizes

gohantee #ad - Size air conditioning wrench square opening diameter: 3/16" 1/4" 5/16" and 3/8", Overall Length: 140mm/5. 5inch. Sockets are clearly marked with hex sizes. If you have any problem or concerns, feel free to contact us.

Quick-flip reversing lever for quick reverse ratcheting action. 100% tested before shipping. Premium quality the refrigeration wrench made of steel, good quality and stand up to hard use in the field. Package include 1pc x 4 size refrigeration valve Ratchet Wrench. Fitment ratcheting valve wrench for installing or servicing heating, air conditioning or refrigeration units and Freezers, Commercial and Residential Air Conditioners. Works well for beam-clamp installation, open - Close Acetylene tank, Valve Stem Sockets and Refrigeration Packing Gland Nuts, save your knuckles and your time. Easy to use the ease of use are well suited to work comfortably everywhere.
Brandgohantee #ad
Manufacturergohantee #ad
Part NumberRatchet Wrench