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Old 08-10-2014, 07:42 PM   #21
Join Date: Mar 2010
Location: Chalfont, PA
Posts: 686

looks like it IS the galley tank after all......found the air admittance valve loose, not even finger tight...replaced it. Checked the galley vent pipe, 2 paper wasp nests although not totally blocking it...maybe 50%. The stench I was getting was evident in the outside kitchen sink drain (has a mechanical trap rather than a p-trap) also which sent me to the galley tank. I gave the galley vent a good blast with the garden hose.
I was always in the habit of completely emptying the galley tank when breaking camp...guess I need to have some water/chemicals in all 3 tanks to keep the gasses from building up. Fingers crossed!

2005 GMC Sierra 3500 SLT DRW 6.6 D/A
2013 Crusader 335BHS TE
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Old 08-11-2014, 07:42 AM   #22
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Join Date: Mar 2012
Location: Burlington, ON, Canada
Posts: 106
Ya those grey tanks can be pretty smelly. I had a bit of odor as well and replaced all air admittance valves and that has helped allot . I also close all sink drains and add just a bit of water to the sink to help seal it.

2012 Coachmen Freedom Express 292BHDS
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2013 Nights Booked: 38
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