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2" through 4" Air Admittance Valve with Connector Reviews

4.8 Rating 23 Reviews
Using in my cabin no need for a hole through roof
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Posted 7 years ago
Plumbed my whole house without roof penetrations. Be sure and check your local codes prior to use...
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Posted 7 years ago
Excellent product .. works very well
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Posted 7 years ago
Sewer ventilation
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Posted 7 years ago
Ease of installation
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Posted 7 years ago
Seems to work as designed.
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Posted 8 years ago
The product is amazing it has a rubber gasket attached to it that fits over a 3-inch pipe or slides into a 4-inch pipe...
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Posted 8 years ago
GurnBlanston
Verified Reviewer
The concept is old, but not approved by code until relatively recently at least in Connecticut...
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Posted 8 years ago