
Primex WC Series Wall Caps
The Primex Wall Cap Series (WC) is ideal for exhaust and intake applications. This includes the through-wall exhaust of dryers, bathroom kitchen fans and stove vents, and the intake for furnaces and fresh air make-up. This rainscreen-compatible series comes in sizes ranging from 3-8 inches and in multiple colours.
FEATURES
• Compatible with rainscreen applications via extended base, compensating for cavity between sheathing and cladding.
• Patented design eliminates leaky joints while maximizing water protection with one-piece molded base and built-in drip edge.
• Integrity of the building envelope is maintained via a removable hood for simple cleaning or replacement.
• Suitable for intake and exhaust applications.
• Over-sized flange ensures watertight installation.
• Made with UV-protected durable polymer resin.
• Highly resistant to mechanical impact including a built-in bird screen.
• Removable damper makes conversion of intake/exhaust simple
• For dryer applications use the no bird screen (NS) model.
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Do you have questions about the products on this page? Click on the ? image on the left or this link to ask us your questions! |
#1 | Q: Is the taupe color the brown or gray as shown on specs for Primex WC wall caps? A: No. Please see the color swatches in the Full Line Catalog or the Color Swatches Catalog under the Links tab. Asked on 2023-02-26 by Ron |
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#2 | Q: Is the taupe color the brown or gray as shown on specs for Primex WC wall caps? A: Page 33 of the catalog has all the colors shown. Hope this helps: https://www.hvacquick.com/catalog_files/Primex_Full_Catalog.pdf Asked on 2023-02-25 by Ron |
#3 | Q: What are the dimensions of the wc623 mounting plate? A: That is 11.75 inches square. Asked on 2022-04-26 by John |
#4 | Q: Is the WC623 described as taupe really brown or gray? thanks. A: Page 33 of the catalog has color chips for their indoor and outdoor products: https://www.hvacquick.com/catalog_files/Primex_Full_Catalog.pdf Asked on 2020-01-06 by tom |
#5 | Q: Says rainscreen compatiable. What does the rainscreen look like and where do you get it? A: Its a building technique: https://en.wikipedia.org/wiki/Rainscreen Asked on 2019-08-28 by Donald |
#6 | Q: Wc723. Do you make this in a 8 inch A: There is a WC823 but we do not currently stock it. If you need a larger qty we can special order it for you. 877-711-4822. Asked on 2019-08-14 by Philip |
#7 | Q: What is the diameter of the cylinder at the rear of the WC 625? A: The WC625 will have a 6 inch diameter collar on the back where you can attach 6 inch duct to it. Asked on 2019-04-20 by Craig |
#8 | Q: Can I use product # WC501 to vent a portable air conditioner through a wall or garage door? A: Sure. Its a general purpose cap. Asked on 2018-03-14 by HM |
#9 | Q: Can it be used for a range hood? A: Yes, fine for stove vents/ range hood exhaust. Asked on 2017-09-12 by DANIEL |
Related Products
Primex DV4 Series Dryer Exhaust Vent
A simple, durable and aesthetically-pleasing solution for venting residential dryers. The low-profile, one piece design accommodates standard 4-inch ducting.

Primex WCL Series Low Profile Intake and Exhaust Wall Caps
Low profile intake and exhaust vents that eliminate leaky joints while maximizing water protection with a one-piece molded base and built-in drip edge. Fit 7” and 8” diameter ducts.

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