I used one on a previous rig with a Atwood wh. See how small the drain hole is? I found that scale and crud would stop it up enough that it would not drain fully. I would remove it and flush the scale out regularly.
I attended a Atwood seminar years ago and they recommended NOT to use metal plugs. They said that the lining in the tank would be compromised.
I don't know, but I did not use mine but a few seasons.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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