Vacu Stack Chimney Cap
Wind Resistant / Anti Downdraft Cap
for masonry, brick & clay liner applications

This auction is for a VSS812-AD-S5. It will fit an oval masonry flue with an inside dimension of about 6 1/8" x 10 1/8". Please call us with any questions or see our other auctions to order any other size.

Combo priced options include and ship with...
Vacustack, adaptor and screen.

The Vacu-Stack Chimney Cap solves the two wind related chimney problems -- wind induced downdraft and dynamic wind loading. The streamline flow of the wind around the Vacu-Stack prevents wind from blowing into the chimney -- even when the wind is deflected downward. The Vacu-Stack creates a venturi that causes flue gases to flow up and out of the chimney.

There are no moving parts to bind or malfunction.
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.

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.

Masonry Chimney Installation:

An adapter is required for square, round or rectangular masonry chimneys. A patented fastening device secures the adapter to the chimney flue. Vacu-Stack caps fit inside the adapter collar. Silicone caulking must be applied to seal seams and joints.

Sizing for a VacuStack

Masonry, brick or clay liners need to be measured by its INSIDE measurement.
Older "clay" liners and newer ceramic liners will vary in their inner and outer measurements.

Measure and give us a call if you would like help sizing for a Vacu Stack.
Typically... a standard size clay liner will have an inner measurement of approximately to as big as...
8x8, sometimes called a 9x9 6" x 6" 7 1/2" x 7 1/2"
12x12, sometimes called a 13x13 10" x 10" 11 1/2" x 11 1/2"
8x12, sometimes called a 9x13 6" x 10" 7 1/2" x 11 1/2"
VacuStack MEASUREMENTS
A B
VSS6-AD-S5 6 14
VSS7-AD-S5 7 15
VSS10-AD-S5 10 21
VSS812-AD-S5 6 x 10 18

AD - Stainless Steel Adaptor Plate
Used for adapting a VSS Vacu-Stack on a square, oval, or rectangular masonry chimney flue.
ADAPTOR Included With
Vacu-Stack		 MEASUREMENTS
A B C
AD-6 VSS6-AD-S5 6 10 10
AD-7 VSS7-AD-S5 7 10 10
AD-10 VSS10-AD-S5 10 14 14
AD-614 VSS812-AD-S5 6x10 10 14

Top View		 Click for a bigger pic

Side View
Bottom View

                WHO IS VOLKO SUPPLY?          

Volko Supply is a family owned and operated building material supply house that has been in business since 1948.  Located in Garden City Park, NY, we are a real brick and mortar store with real employees.  If you have product questions or concerns.....call!  1-800-685-8263  We have either installed or used most of the products we sell and have over 100 years of combined product knowledge amongst our main sales people.

                         PAYMENT TERMS                      

Payment must be received within 7 business days of the auction close. We request you not to bid or buy if you are not sure of paying for it. Non payment can lead to your account suspension at eBay. Our preferred payment method is Paypal. However, you can also pay for your purchase by Credit Card by calling us at 1-800-685-8263

                  SHIPPING & HANDLING                 

We make every effort to ship all items within 2 business days of the receipt of payment, unless stated in item description. Most of the time, we ship the item same day. We ship all items via UPS ground, Fed Ex or USPS and solely reserve the right to choose the carrier. Shipping rates mentioned in the eBay listing are for US lower 48 states.  We do also ship to Hawaii, Alaska, Canada, and most of Europe at additional cost.  Shipping insurance is always included in shipping and handling charges.  If you want to come and visit us, you are more than welcome to come visit our Garden City Park, NY location.

If you require expedited shipping, please call us at 1-800-685-8263.  We will quote overnight or two day air for you if you provide us with the address.

                         RETURN POLICY                      

If for any reason you are not happy with your purchase, please return it to us within 14 days of the date you received the package and we will refund the purchase price minus appropriate shipping. The returns must include all items in New, re-saleable condition in original packaging with all manuals, warranty forms, etc. If the return is made for manufacturing defects, we will replace it with a similar item at our own expense or refund the purchase price including shipping, if the item is not available for replacement.

If you have any questions or concerns about the product, PLEASE CALL US!  1-800-685-8263 We have a great deal of product knowledge and we want to make sure you get the right item for the job.  We have laid out as much technical information as we can in these auctions but there is no such thing as a stupid question.

Please contact us before returning your item.  Sometimes what is seen as a "problem" can be a simple fix.  Also, it is easier for us to process your return if we know what's going on with it.