The pot filler needed to be mounted in such a way to clear the piston on the left side. It was roughly 1 1/2 inches for the pot filler we bought. This then required an extended 1/2 inch fitting to clear the frame and also not be too long where I couldn’t attach the water on the inside. Turns out a 4 inch was perfect. Very tight squeeze on the inside. I could barely get my hand in there to tighten the water line, so I fished the water line in from the outside. This was also a great time to install a double water shutoff valve for the bathroom sink and the coffee bar.
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