Installation Guide

2. Rough-In the Plumbing – Alcove Installations
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7726 16″ (406 mm)
7727 18″ (457 mm)
7728 21″ (533 mm)
7730 18″ (457 mm)
7731 21″ (533 mm)
NOTE: If plumbing will be installed on the unfinished stud wall, install the supplies after the bath is
installed.
Position the plumbing according to the roughing-in information. Cap the supplies and check for
leaks.
For above-the-floor drain installations: Cut the hole in the floor for the drain line. For
through-the-floor drain installations: Cut the hole in the floor for the drain assembly. The drain
connection should be made directly under the overflow drain. Leave room to connect the piping.
Install the water supplies according to the faucet manufacturer’s instructions. Cap the supplies and
check for leaks.
Strap the water supply connections to the stud framing.
Install the shower valving according to the manufacturer’s instructions. Do not install the trim at
this time.
Optional
Optional
Blocking
Blocking
Supply Valves
Water Supply
Shower Elbow
24"
(610 mm)
Min
8-3/4" (222 mm) for series 7726, 7727 and 7728
11-3/4" (298 mm) for series 7730 and 7731
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Sterling 7 1139487-2-H