Mike Lamb Posted March 3, 2016 Report Share Posted March 3, 2016 I am looking for the installation instructions for an American Standard #AUC1B08A. I am coming up empty on the Internet. Specifically, direct vent termination requirements. I am finding an increasing number of HVAC installations where the exhaust vents out a wall and the combustion supply pipe comes through the roof. This would seem to be more work for the installer so why are they doing it? I have rarely seen instructions that did not say the supply and exhaust MUST be near each other ? in the same atmospheric zone. The instructions are usually quite clear on this. Link to comment Share on other sites More sharing options...
Mike Lamb Posted March 3, 2016 Author Report Share Posted March 3, 2016 The A at the beginning of the model number is not necessary. That is what threw me. For anyone interested, this is what the manufacturer's instructions say: Click to Enlarge 34.04 KB Link to comment Share on other sites More sharing options...
plummen Posted March 6, 2016 Report Share Posted March 6, 2016 Ive never seen an install where 1 pipe goes out the roof and the other through a wall. Link to comment Share on other sites More sharing options...
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