Vacu-Stack 8" TDW Air Cooled with 1" x 1" Screen

The Vacu-Stack Air Cooled Chimney Cap is the best solution for wind induced downdrafts. It is designed to fit double or triple-wall, air-insulated, factory built chimneys to stop wind from blowing into the chimney regardless of the wind direction. By accelerating air flow around the Vacu-Stack, flue gasses are forced to flow up and out of the chimney.This Vacu-Stack Air Cooled Chimney Cap features a unique design that actually increases the draft when the wind hits it as opposed to deflecting it down the chimney and overpowering the draft. A special large 16" bottom collar rests underneath the cap to keep rain from entering the air-insulated chimney and maintain the proper internal venting that is required. 304 Stainless Steel Construction Lifetime Limited Warranty Meets UL Standards Easy to Install See Vacu-Stack Ordering Instructions for proper fit. View the Vacu-Stack Guide. Vacu-stack Sizing