985158 EXPELLO Semi Trailer Automatic Air Drain Valve Inlet

Review EXPELLO Semi Trailer Automatic Air Drain Valve 1/4 Inch Inlet 12v Electronic

The Expello 985158 Semi-Trailer Automatic Air Drain Valve is an essential accessory for any semi-trailer or trailer application, designed to make the draining process more efficient and hassle-free. This valve features a 1/4 inch inlet and operates on a 12-volt power source.

The Expello automatic air drain valve is engineered to provide quick and easy draining of air from the suspension system of trailers. This valve automatically activates when the trailer is detached from the tractor unit or when the trailer is at an angle of approximately 20 degrees. Once activated, the valve releases the accumulated air from the suspension system, preventing water from being trapped and reducing the overall weight of the trailer.

The valve body is made of high-quality, corrosion-resistant brass, ensuring durability and longevity even in harsh environments. The inlet is equipped with a 1/4 inch NPT thread, making it compatible with a wide range of hoses and fittings. The 12-volt power source is supplied through a waterproof, weather-resistant connector, ensuring the valve remains operational in all weather conditions.

The Expello 985158 automatic air drain valve is easy to install and comes with all necessary hardware, including mounting brackets, bolts, and washers. The valve can be mounted on the frame or the side of the trailer, providing flexibility in installation locations.

In summary, the Expello 985158 Semi-Trailer Automatic Air Drain Valve is a must-have accessory for any semi-trailer or trailer application. Its quick and easy draining capabilities, durability, and compatibility with various hoses and fittings make it an indispensable tool for maintaining the efficiency and weight of trailers.

The Expello 985158 Semi Trailer Automatic Air Drain Valve is a device designed to help semi-trailer truck owners automatically drain air from their trailers using a 1/4 inch inlet and 12V power source. Here are some pros and cons of buying this product:

1. Convenience: The automatic air drain valve saves time and effort by automatically draining air from the trailer, eliminating the need for manual draining.

2. Prevents Damage: By draining air from the trailer, it helps prevent water from freezing in the lines, reducing the risk of damage to the trailer and its contents.

3. Easy Installation: The valve can be easily installed on the trailer with minimal tools and effort.

4. Durable: Made of high-quality materials, the valve is designed to withstand the rigors of constant use on the road.

1. Cost: The automatic air drain valve may be more expensive than manual drain valves or no valve at all.

2. Power Source: The valve requires a 12V power source, which may require additional installation costs and wiring.

3. Complexity: The automatic valve may be more complex than manual valves, requiring more maintenance and potential for malfunctions.

The Expello 985158 Semi Trailer Automatic Air Drain Valve offers convenience, prevention of damage, and easy installation, but it comes with a higher cost, power source requirements, and potential complexity. Ultimately, the decision to purchase this valve depends on the individual's needs, budget, and preference for convenience versus manual draining.

If you frequently deal with water in your trailer lines and value the convenience of automatic draining, the Expello 985158 Semi Trailer Automatic Air Drain Valve is a worthwhile investment. However, if you have a smaller budget or prefer a manual draining system, you may want to consider other options. Ultimately, it is essential to weigh the pros and cons and make an informed decision based on your specific needs.

Details:

The durable construction, featuring black housing with brass components, ensures reliable performance in demanding conditions. Integrated heating: built-in 12v heating element prevents freezing in cold weather conditions, protecting critical air brake components. Efficient design: quarter-inch not inlet and specialized nozzle effectively expel excess moisture, maintaining drier air throughout the system.: enhance your semi-trailers air system performance with this automatic electronic drain valve.

Versatile mounting: compact design allows both vertical and horizontal installation options with dimensions of 2.625 x 3.75. Key details:automatic operation: features 20-minute automatic purging cycle to remove moisture and contaminants from semi-trailer air systems, ensuring optimal performance. Durable construction: robust black and brass components weigh just 1 pound while providing reliable long-term performance for air tank systems. Its regular automatic purging cycle eliminates the need for manual draining while helping to extend life of your air system components.

specifications compressorshow:

• brand: Expello
• mpn: 985158
• part type: Valve Trailer
• power supply: Electric

shipping compressorshow:

• type: fixed
• carrier: ups, usps
• class: standard
• service: ups ground, usps ground advantage
• transit: 2-5 days

payments compressorshow:

• wallet: apple-pay
• credit card: discover
• other

offer compressorshow:

• sold #: 14
• started: august 21, 2025
• options: ship-to-home
• availability: in stock
• price: $264.95
• item condition: New

general compressorshow:

• category: Business & Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Blowers > Air Compressors

returns compressorshow:

• time: 30 days
• policy: returns accepted
• method: money back
• paid by: buyer

seller compressorshow:

• # reviews: 265
• rating: 98.8%
• city: saint paul, minnesota