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Old 05-18-2014, 10:49 PM   #1
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central vac venting

I have recently purchased an older home with an installed central vac system. The system currently exhausts directly from the machine into the basement. The closest option is to pipe the exhaust into the sewer system fairly close to the main line. Is this a good idea, or are there potential issues with doing this? thanks

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Old 05-19-2014, 12:37 AM   #2
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central vac venting

Don't vent it to the sewer line. If the filter is installed properly, there's no issue venting into the basement. If you want to vent it outside though, you can run PVC between the floor joists and out the wall.

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albertacowboy (05-19-2014)
Old 06-02-2014, 07:26 PM   #3
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central vac venting

Venting the central vac can be easier with any flex pipe. Rigid/smooth pipe not required, just same or greater size. May be tie into dryer vent?
Sewer gas will travel through the vac system.
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Old 06-03-2014, 06:03 PM   #4
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central vac venting

thanks for the reply. I never thought of the gas... the direction of travel of the sewer pipe lead me to think that I wouldn't have to worry about liquid. I did run the pipe through the basement wall. I did a test on the exhuast with a white sock, and there was definitely dust coming out of it. It is an older, but likely high end Houver model.
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Old 06-03-2014, 06:08 PM   #5
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central vac venting

don't vent into sewer vent ...1 st against code..2nd against code..3 rd against code... also no way to prevent sewer gas from entering canister...just vent it outside or vent it through a hepa filter...
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central vac, plumbing, venting

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