Join Date: May 2002
Location: East Coast
Thanked 6 Times in 6 Posts
Rep Power: 18
You could also have an old and permeated 1.5" discharge line. Often this is the primary cause for head odors and you can tell by wiping it down with a warm wet rag and smelling the rag. If the rag smells of sewage then the hose should be replaced with a high quality sanitation hose.
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