METAL-FAB 4" Double Wall SureLock Round B VENT Pipe



Product Features

  • Class B gas vent pipe
  • Double wall design
  • SureLock
  • Available in assorted sizes for furnaces, boilers and water heaters
  • Gas vent pipe for venting small furnaces; unit, wall and water heaters. Double wall (galvanized outside and aluminum inner) for proper clearances to combustibles.


  1. 4"(diam) X 12"(Height)
  2. 4"(diam) X 18"(Height)
  3. 4"(diam) X 24"(Height)
  4. 4"(diam) X 36"(Height)
  5. 4"(diam) X 48"(Height)
  6. 4"(diam) X 60"(Height)


We CAN NOT  ship to Alaska, Hawaii, Puerto Rico, APO/FPO addresses,  or P.O. Boxes. 

Orders will be cancelled/refunded if correct address is not provided.

SALES TAX: 8.25% will be charged to shipments to Texas.

(No Reserve Price Set. After auction ends, last bidder will get the item)

Thank you for shopping with us!

A/C & Heating Supply