Ok Tiling a shower, and the homeowner requested me to tackle the
plumbing also..Ok no problem I do it all the time, but they have
handed me a box of Kohler body spray tiles,wall mtd shower
heads,mixing valves, ect.. I have no problem handling it, but the
shower is on the 2nd floor, and stubbed with 1/2 supply.. and getting
3/4 to it is SERIOUS.
My question is will 1/2 supply enough flow for 3 spray tiles,and 3
shower heads? and as usual time is ticking.. any advice will be much
On Sat 24 May 2008 04:56:50p, Frank Robinette told us...
And this is a weekend job, right? My guess is that to provide enough
velocity from all the heads, you'll either need rather high pressure or a
larger feed. Having all that installed would have me believe these folks
don't want a wimpy shower.
Here's what I would do:
Assuming city water, measure the supply pressure with water flowing.
If they have ~50-60 psi, give it a go.
To avoid embarassment after all the tile work is up,
I would rough assemble all the valves and heads out in the
back yard/garage, etc.
Feed the Rube Goldberg with a garden hose (make sure the hose bibb
is fed from the same point as the domestic piping; no reducing valve).
Have the owner witness the sprays and sign off.
The pressure may be 5 psi greater at ground level than on 2nd floor,
but that shouldn't be significant. You could even include a length
of 1/2" pipe in the Rube setup to simulate the riser to 2nd floor.
For a couple hours setup time, you may avoid a huge battle later.
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