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**flybouy** · 08-12-2018, 04:34 PM

Ours will smell if the water evaporates and it is a hepvo trap. They are cheap and easy to replace. If we're not going to camp for a couple of weeks we just pour a cup or so of vegetable oil in the drain. It won't evaporate and it helps lub the dump valve.

08-12-2018, 04:34 PM	#3
flybouy Site Team Join Date: Oct 2011 Location: Joppa, MD Posts: 11,760	Ours will smell if the water evaporates and it is a hepvo trap. They are cheap and easy to replace. If we're not going to camp for a couple of weeks we just pour a cup or so of vegetable oil in the drain. It won't evaporate and it helps lub the dump valve. __________________ Marshall 2012 Laredo 303 TG 2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel