Ryan
Can't answer the questions, but it works ok after you make sure all the poly fasteners don't bottom out on the brass fittings. But as to the reversing the water heater lines--maybe because they mis-printed the instructions?
Good luck with the install.
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2016 Tiffin 40QBH
2015 38RSSA--traded
2005 36TK3--retired, but it was a good one
2017 F450 KR
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