Specification

Installation Notes
Install this product according to the installation guide.
ADA compliant when installed to the specific requirements of
these regulations.
IMPORTANT! To ensure correct product selection, verify
the following dimensions:
•
from the ceiling to the center of the existing shower
arm at the finished wall surface (Dimension A)
•
from the center of the existing shower arm to the
center of the mixing valve trim (Dimension B)
•
from the shower floor to the center of the existing
shower arm at the finished wall surface (Dimension
C)
•
from the supply elbow to the finished wall surface
(Dimension D)
If the distance from the elbow to the finished wall surface is
between 2-7/8″ (73 mm) to 4″ (102 mm), order the 1194630
deep roughing-in kit. (Dimension D)
If the distance from the elbow to the finished wall surface is
less than 1-3/8″ (35 mm), order the 1187917 shallow
roughing-in kit. (Dimension D)
A3″ (76 mm) escutcheon/mounting collar is supplied to fit a
1″ (25 mm) to 1-1/4″ (32 mm) supply connection hole
diameter. If the supply connection hole diameter is between
1-1/4″ (32 mm) to 2-1/4″ (57 mm), order the 1194302 large
escutcheon/mounting collar kit.
3"
(76 mm)
3"
(76 mm)
2-1/4"
(57 mm)
2"
(51 mm)
6" (152 mm)
Min
NOTE: Valve trim and hose illustrated for
dimensioning only, not included in the product.
7-3/8"
(187 mm)
Minimum
75" (1905 mm)
Recommended
72" (1829 mm)
Minimum To Floor
75" (1905 mm)
Recommended
72" (1829 mm)
Minimum To Floor
A
K-45905
K-45906
C
D
B
1-3/8"
(35 mm)-
2-7/8"
(73 mm)
1-3/8"
(35 mm)-
2-7/8"
(73 mm)
33"
(838 mm)
Minimum
24"
(610 mm)
Minimum
Upper Supply Connection
Finished
Wall
Elbow
D
B
C
Backing
Material
A
27" (686 mm)
K-45905
18" (457 mm)
K-45906
7-3/8"
(187 mm)
Minimum
Product Diagram
HYDRORAIL
®
-S
HYDRORAIL
®
-S BATH/SHOWER COLUMN
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1189046-4-
C