20 Gallon 7 Port Air Tank

(Five 1/2" NPT Ports, One 3/4" NPT Port, One 1/4" NPT Port)


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Our 20-gallon 7 port air tank is the biggest air tank we carry and was made for serious mobile pneumatic uses. As with our other air tanks, the 20-gallon air tank is built for high-flow applications, making it perfect for huge train horns, beastly air suspension systems and it gives you plenty of air to run air tools. To prevent bottlenecking issues, this tank features seven high-flow ports: five 1/2" ports, one 3/4" port, and one 1/4" port. With a max working pressure of 150 PSI and a burst rating of 300 PSI, this tank is the perfect centerpiece for any 150 PSI air system.

Proudly made in the USA with the highest level of quality control and meets SAE J10 & FMVSS 121 specifications. Then finished with a semi-gloss black powder coat and then interior coated with a rust inhibitor, this tank is built to resist corrosion

As an important safety precaution,  a safety blow-off valve should be installed with any air system. A safety blow-off valve is designed to keep the system from over-pressurizing and to prevent damage to other components. It is suggested to use a safety blow-off valve with a PSI rating between 25-35 PSI higher than the maximum pressure of the pressure switch.

For example, 150 PSI systems require a 175 PSI safety blow-off and 120 PSI systems require a 150 PSI safety blow-off.

  • Powdercoated black finish
  • Interior coated with a rust inhibitor
  • Meets SAE J10 & FMVSS 121 specifications
  • Made in the U.S.A.!
  • 2-year manufacturers defect warranty
  • HornAir 20-gallon 7 port air tank
  • Part Number: TA-2008H
  • Volume: 20 gals (76 L)
  • 1/2" NPT Ports: 5
  • 3/4" NPT Ports: 1
  • 1/4" NPT Ports: 1
  • Mounting Hole Dimensions: 30.6" x 8"
  • Burst Pressure:  300 PSI
  • Working Pressure: 150 PSI
  • Tank Length: 44″ (1117.6 mm)
  • Tank Diameter: 12″ (304.8 mm)
  • Tank Height: 13″ (330.2 mm) (With Legs)
  • Money-Back Guarantee/Refund Policy
    All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly.
  • Warranty
    This product is backed by our 2-year Manufacturer's defect warranty!
  • HornBlasters.com Satisfaction Guarantee
    HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing.
  • Cross-Shipments
    HornBlasters.com will not cross-ship returned merchandise.
  • Physical Damage Policy
    Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.

Warnings & Notices

Safety warning icon

This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

Customer Reviews

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Great product

Great product. I wish I had purchased this tank a long time ago. Perfect for my set up