Do you use 2" PVC sch40 to vent a condensing gas furnace? I've checked a couple different big box stores and local hardware stores and nobody seems to carry 2" PVC sch40 long turn elbows.
source https://hvac-talk.com/vbb/showthread.php?2222512-PVC-type-for-direct-venting-a-gas-furnace&goto=newpost
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