Mike Lamb Posted September 25, 2018 Report Share Posted September 25, 2018 Does the 8 foot lateral clearance to sidewalls apply to PVC Cat IV vents? I did not see anything in the codebooks to suggest that it does not. However, I don't see anything in the manufacturer's instructions regarding this. Quote Link to comment Share on other sites More sharing options...
Bill Kibbel Posted September 25, 2018 Report Share Posted September 25, 2018 That 8' clearance is not required for direct vent. Think about where sidewall terminations are! How high above the roof are those terminations? I think it's 24" max. Quote Link to comment Share on other sites More sharing options...
Mike Lamb Posted September 25, 2018 Author Report Share Posted September 25, 2018 Thanks. I found this in my library for a Rheem direct vent. The vents are a little high. Lateral is not an issue. Quote Link to comment Share on other sites More sharing options...
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