Product Description
Are you experiencing back draft issues?
These high quality chimney and liner caps fit round and some masonry brick chimneys chimneys (require ICP masonry adapter). This is the premier cap for solving common wind-related chimney draft problems caused by conditions such as hills and mountains in the vicinity, tall trees near the chimney, or tall buildings nearby.
High quality austenitic stainless steel, T-304, guarantees superior durability for long service life. All fasteners and hardware are also made of stainless steel for complete corrosion protection. Ribbed construction provides extra strength and reinforcement. Exposed edges are hemmed for ease of installation. The Vacu-Stack chimney cap is made in the USA.
Add a Bird Screen
The optional mesh screen will limit the chance of birds, animals, leaves, and other unwanted debris from plugging up your chimney.
Standard cap
- Vacu Stack Anti Downdraft Cap (4″ I.D.): ICPVSS-4 SPECIAL ORDER NON-RETURNABLE
- Vacu Stack Anti-Downdraft Cap (5″ I.D.): ICPVSS-5 SPECIAL ORDER NON-RETURNABLE
- Vacu Stack Anti-Downdraft Cap (6″ I.D.): ICPVSS-6 – most common size (6″ Inside Diamater)
- Vacu Stack Anti-Downdraft Cap (8″ I.D.): ICPVSS-8 SPECIAL ORDER NON-RETURNABLE
With Rain Shield. The Rain shield is a collar that covers the exposed top edge of the chimney from water infiltration
- Vacu Stack Anti-Downdraft Cap with Rain Seal (6″ I.D.): ICPVSS-6RS – most common size
- Vacu Stack Anti-Downdraft Cap with Rain Seal (7″ I.D.): ICPVSS-07RS SPECIAL ORDER NON-RETURNABLE
- Vacu Stack Anti-Downdraft Cap with Rain Seal (8″ I.D.): ICPVSS-8RS SPECIAL ORDER NON-RETURNABLE
Why We Like This Product
- Solves many back drafting issues
- There are no moving parts to bind or malfunction
- The optional rain seal will help protect the top insulation of an insulated chimney
Vacu-Stacks are tested by an independent testing laboratory. In the absence of wind, Vacu-Stacks provide a more than adequate passage for exhausting flue gases. The open spaces in a properly sized vacu-stack are several times larger than the flue opening. The unique design of the Vacu-Stack gives excellent protection from downdrafts caused by wind, where other devices often fail.
Most sizes are in stock and area ready to ship. Please note that these caps are not returnable.
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