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4'' DuraVent Type B High-Wind Cap - 4GVVTH

Item Code: 5SP-4GVVTH

1 Review(s)

Availability: In Stock, Only 1 left, Ships in 1 to 2 business days.

List Price: $23.98

Your Price: $21.58

You Save : $2.40 (10.01%)

Regular Price: $21.58

Special Price: $9.93



  • 4" Diameter
  • Construction materials: .012" aluminum inner wall and a .018" galvanized outer wall
  • Use for vertical installations only
  • 1" Clearance to combustibles in single and multi-family dwellings
  • UL Listed to UL 441 and UL 1777 (MH6357). ULC Listed to ULC S605 (CMH1276 & CMH1407)

Customer Reviews

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Posted: 12/2/13

Reviewer: annem

  • Value:
  • Quality:
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Great fix for problem!

I'm not an engineer, but our gas water heater would go out whenever there was a strong north wind. We put in an extension on the roof vent, tried two different vents and finally bought this high wind vent. Problem fixed! Going on three years with no blowouts. Thank you, Northline!

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