Vent Pipe distance to Ridge Vent


Old 05-01-05, 03:04 AM
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Vent Pipe distance to Ridge Vent

How far does a plumbing vent pipe going through the roof need to be from a ridge vent? I believe that it should be 10ft horizontal from any opening or 3ft above. However, if I place the vent pipe 10ft from the ridge vent it is then less than 10ft from an attic blower fan. Any advice? I live in NJ and I think we use the National Standard Plumbing Code.

Thanks for any help!
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Old 05-12-05, 07:34 PM
Join Date: Aug 2003
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I have never heard of any specifications for a plumbing vent to be spaced from a ridge vent. I have seen them placed fairly close in numerous applications.

Call your local building inspector, they have the final say. Let us know what the final rule is in this matter.

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