Answer:
These faucets are special to CFTs they have 2 3/8″; centers. Some units have 1/2″; and some have 3/4″; water connections at the back. The 3/4″; needs special CFT supply pipes. Most older faucets are not code and it is still easy to buy non-code faucets. The code is that the faucet spout must have a gap of at least 1″; between the top of the tub rim and the bottom of the spout – that’s so bath water in the tub cannot siphon back into the drinking water supply.
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