Toilets, Sinks, Showers, Tubs and Disposals - Piping Sizing Problem (Faucet)

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buzzardbait
05-10-06, 07:59 PM
I have just installed a new single lever bath/shower valve. When I turn on the water to the tub spout, water comes out of the shower head without engaging the diverter on the tub spout. Anyone got any ideas??

DUNBAR PLUMBER
05-10-06, 10:02 PM
If you used CPVC piping then this is most likely the problem. Moen and Delta faucets both recommend copper piping for the tubing to the shower head and tub spout.
buzzardbait
05-11-06, 03:04 PM
Yup, that was it. I replumbed the shower and tub spout piping witah all copper - worked like a charm. Thanks!

mkphoto
06-09-06, 06:50 PM
Hey, just curious but why would that make a difference? Thanks in advance.
DUNBAR PLUMBER
06-09-06, 07:05 PM
Those valves are designed for a certain amount of flow dictated by the inside diameter of the piping between the shower head and valve, valve and tub spout.