Top 10 Best compressor drain valve in 2026

Last Updated - 6/11/2026

🏆Best Choice

SUNROAD

SUNROAD Air Compressor Valve Brass Drain Cock Ball Valve 1/4" NPT Male Thread Air Compressor Accessories 2pcs with Thread Seal Tape with Plastic Case

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•[ Product Type ] —— SUNROAD Ball Type Drain Valve (1/4" NPT Male), Used to Replace the air compressor Drain Cock,Knurled screw valve,Wing style drain valve.
•[ Quality Guarantee ] —— High quality solid brass,durable and firm, brass is corrosion resistant. These air tank valves are suitable for discharging air, water,moisture and oil from the compressors
•[ Application] —— Easy 1/4 turn open or closed operation(the handle is made of aluminum), the structural design without O-ring.These air tank ball valve suitable for air compressor.
•[ Scope of Application ] —— 150 PSI working pressure,Temperature range of -65 °F to 250°F ( -53°C to 121°C)
•[ Package include] —— 2 Pcs 90° Turn ball valve tank drain (Air compressor drain valve or drain petcock) and 1 Thread seal tape(about 400" length).The inlet of this Drain Cock Ball Valve is 1/4" MNPT, The outlet of this valve is unthreaded hole (no thread).

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$8.97

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Milton

Milton S-614-2 1/8" Compressor Tank Drain Cock - Pack of 2

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Replacement part for damaged drain cocks on compressor tanks
•Turn handle to drain water, close drain cock when water is drained
•1/8" male national pipe thread
•Made in USA
•Milton is your number 1 source for Quality Air Accessories
•Since 1943 Milton has been producing Quality Air Accessories
•Milton covers automotive, industrial, hardware, agriculture, heavy-duty fleet and MRO markets

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$6.86

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PORTER-CABLE

Porter Cable C2002/C2005 Air Compressor OEM (2 Pack) Replacement A17038 Drain Valve # N286039-2pk

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Genuine, OEM Porter Cable Replacement Part
•Porter Cable replacement valves, part number N286039
•Compatible with: 1WC94 Type 0, 1WC94 Type 1, 1WC95 Type 0, 1WC95 Type 1, 1WC95 Type 2, 3JR70 Type 1, 3JR71 Type 0, 3JR71 Type 1, 4UP72 Type 1, 4YD76 Type 0, 4YD76 Type 2, 4YD76 Type 3, 4YD76 Type 4, 5Z598C Type 1, 919-15204 Type 2, 919-15212 Type 0, 919-15212 Type 1, 919-15214 Type 0, 919-15214 Type 1, 919-15214 Type 2, 919-15214 Type 4, 919-15214 Type 5, 919-15216 Type 0, 919-15216 Type 2, 919-15216 Type 3, 919-15316 Type 0, 919-15445 TYpe 0, 919-15725 Type 1, 919-15726 Type 0, 919-16345 Type

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$9.23

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Hromee

Hromee Extended Tank Drain Assembly Kit with 10 Inch Braided Steel Hose 1/4 Inch Drain Valve and Elbow Fitting for Air Compressor

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Each time your compressor runs, the moisture in the air condenses in the tank. This moisture must be drained daily from the tank to prevent water buildup. Hromee Extended Tank Drain Valve Assembly is perfect for the compressor tank.
•The valve kit comes with a 10” flexible braided steel drain hose which prevents breaking and kinks. 1/4in. NPT threads at both ends matches 1/4in. NPT male brass fittings. Max working pressure: 175 PSI. Blasting Pressure: 475 PSI. Max Temperature: 200 degrees F.
•This 1/4 in. ball valve is made of chrome-plated brass for higher corrosion resistance than regular brass or steel, and has a lever handle for on/off to control the flow between pipes, tubes, or hoses. The rubber-wrapped handle is designed for easy-use and labor-saving. This ball valve is pressure rated to 300 PSI at a maximum operating temperature of 212 degrees F.
•The extended tank drain kit offers a 1/4 in. elbow with pre-applied thread sealant, allowing for attaching the additional drain hose or elbow. A thread seal tape is equipped with this drain kit for multiple use to prevent leaks.
•There is a Hex bushing brass adapter which is 3/8" Male x 1/4" Female for connecting two pipes or with different diameters. Has a 3/8” male NPT threaded on one end and a 1/4” female NPT threaded on the other for connecting a female and a male pipe or fitting with different diameters Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability.

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$13.89

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Reluen

Air Compressor Drain Valve - Male NPT Brass 1/4 Air Valve, Rust Resistant, Long-Lasting, Ergonomic Handle and Easy to Install, Suitable for Water Tanks, Air Tanks, and Compressors

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Quality Material: Solid brass construction of this air compressor check valve ensures long-lasting performance and rust resistance, making it a dependable choice for replacing air compressor parts
•Versatile Size: The compact design with standard threading allows the 1/4 npt valve to fit snugly into most compressor setups, also working great in systems where a precise air release valve is needed
•High Durability: With high-pressure tolerance, this valve performs reliably as an air tank drain valve, even in tough environments that wear down a standard air compressor valve
•NPT Male Style: 1/4 turn shut off valve features a standard male-threaded connection that installs securely with no leaks. Good for systems requiring a maintenance-free 1/4 npt ball valve
•Wide Use: Whether you're managing airflow or draining moisture, this rugged fitting acts as a high-efficiency 1/4 valve, specifically engineered for any setup using a portable air tank valve

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$7.99

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CRAFTSMAN

Craftsman N286039 Air Compressor Drain Valve Genuine Original Equipment Manufacturer (OEM) Part

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Genuine, OEM Porter Cable Replacement Part
•Porter Cable replacement drain-valve, part number N286039
•Compatible with: 1WC94 Type 0, 1WC94 Type 1, 1WC95 Type 0, 1WC95 Type 1, 1WC95 Type 2, 3JR70 Type 1, 3JR71 Type 0, 3JR71 Type 1, 4UP72 Type 1, 4YD76 Type 0, 4YD76 Type 2, 4YD76 Type 3, 4YD76 Type 4, 5Z598C Type 1, 919-15204 Type 2, 919-15212 Type 0, 919-15212 Type 1, 919-15214 Type 0, 919-15214 Type 1, 919-15214 Type 2, 919-15214 Type 4, 919-15214 Type 5, 919-15216 Type 0, 919-15216 Type 2, 919-15216 Type 3, 919-15316 Type 0, 919-15445 TYpe 0, 919-15725 Type 1, 919-15726 Type 0, 919-16345 Type 0
•Measures approximately 1.10 X 0.60 X 0.50 inches

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$8.18

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Aienxn

Aienxn Brass Air Compressor Drain Valve Cock Ball Valve, 1/4" NPT Male Thread Ball Type Drain Valve Air Compressor Accessories

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Premium Quality: Aienxn air compressor ball valve is made of brass, which is not easy to damage, corrosion-resistant and wear-resistant
•Features: The brass mini ball valve is equipped with lever handle, which is convenient for manual control of switch and full flow passage, making your work efficiency higher, working performance better, easy to operate, practical use and long service life
•Wide Application: The drain valve can be used for air, gas, liquid, steam, air compressor, air tank, water tank, air bottle etc
•Package: You will get 1pcs air compressor ball valve
•Model specification: The ball valve is 1/4inch male NPT thread

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$7.05

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Bruislard

1/4" NPT Air Compressor Drain Valve Drain Cock Ball Valves Brass Male Thread Air Compressor Accessories Male Ball Type Drains Valves

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•【You Will Get】You will get a one-piece air compressor drain valve with a 1/4-inch NPT external thread inlet
•【Durable Material】Our external thread air compressor accessories are made of brass, which is durable, not easy to damage, and has a long service life
•【Wide Application】Our mini metal ball drain plug ball valve has a very wide range of applications, including gas, liquid, water tank, and gas cylinder
•【Easy to Use】Users can easily turn the external thread ball drain valve 1/4 turn to open or close the operation, which is convenient and easy to use
•【Working Performance】Our brass mini ball valve is equipped with a lever handle, which is ergonomically designed to provide you with higher operating efficiency and better working performance

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$6.28

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SUNROAD

Extended Tank Drain Valve Assembly Kit for Air Compressor,SUNROAD Including 10 Inches Air Compressor Tank Drain Hose 1/4 inch NPT, 1/4" to 3/8" Brass Adapter & Routing Clamp

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•After each usage,drain all moisture from tank.Water will condense in air tank.If not drained, water will corrode and weaken the air tank causing a risk of air tank rupture. Sunroad Extended Tank Drain Valve Assembly is perfect for the air tank.
•10” flexible braided steel drain hose which prevents breaking and kinks. 1/4in. NPT threads at both ends matches 1/4in. NPT male brass fittings. Max working pressure: 175 PSI. Blasting Pressure: 475 PSI. Max Temperature: 200 degrees F.
•1/4 in. elbow with pre-applied thread sealant, allowing for attaching the additional drain hose or elbow.
•Quarter-turn ball valve is made of chrome-plated brass for higher corrosion resistance than regular brass or steel, and has a lever handle for on/off to control the flow between pipes, tubes, or hoses. The rubber-wrapped handle is designed for easy-use and labor-saving. This ball valve is pressure rated to 300 PSI at a maximum operating temperature of 212 degrees F.
•Including: 1/4 NPT elbow,Flexible Braid hose,ball valve,3/8 MNPT to1/4 FNPT bushing adapter,5Pc cable tie,Thread seal tape,2pc vibration-damping routing clamp

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$12.46

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QfwdfcTrenz

2 Pcs Brass Drain Cock Ball Valve, Air Compressor Valve 1/4" NPT Male Metal Ball Type Air Tank Drain Valves Air-compressor Replacement Accessories

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•1/4 Inch Thread Connections: Our 90-degree turn ball valve specifically designed for tank drainage, suitable for use as an air compressor drain valve or drain petcock. This drain cock ball valve features a 1/4" male NPT inlet for easy connection
•Efficient Water Drainage: These ball-type drain valves are designed to replace air compressor drain cocks and are particularly suitable for compressed air storage tanks. The air compressor drain valve ensure thorough drainage of water, thus maintaining high gas quality and preventing corrosion in pneumatic tools and piping systems
•Versatile Applications: The air tank drain valves can be applied in various settings, including air, gas, liquid, and steam systems. They are ideal for use in air compressors, air tanks, water tanks, and more
•Durability Brass Construction: Crafted from quality brass, these air compressor accessories are robust, offering excellent durability and stability. The 1/4 npt ball valve provide long-term reliable performance with impressive corrosion and wear resistance, allowing you to operate over time
•Enhanced Operational Performance: With a lever handle for easy manual control, these brass mini ball valves enable full port flow, enhancing operational efficiency. The air compressor check valve feature a convenient quarter-turn mechanism and a double-seal system for bidirectional flow, ensuring ease of operation and practical application

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$7.29

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