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$21.27 each
In Stock
Order by today, receive Tuesday
Free Shipping On orders over $99
Easy Returns No restocking fee for 90 days
Description
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This patented flapper valve opens for alternative combustion intake, when snow or ice clogs the outdoor opening. Simple to install anywhere inside the house, in crawl space, attic, or above the furnace depending upon local codes.
Questions?
Speak with a real person who will go out of the way to help!
Call or text 888-757-4774
Monday – Thursday
8am–7:45pm
Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm
Free Shipping
On orders over $99
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Shipping PolicyEasy Returns
Returning items is as simple as 1-2-3
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.
Return Policy