NWP 2040 4261
2. Flooring Substrate / Water Supply Requirements: Figure 2 illustrates the recommended
water supply connection and flooring assumptions relative to site preparation.
a. Diameter of floor opening: 1⅞” min, 2 ⅛”max.
b.Two FLEXIBLE HOSES (not supplied) are needed to connect water source to tub filler INLETS. The
FLEXIBLE HOSE outlets must be installed so as to extend to a minimum of 2 inches above the fin-
finished floor.
c
.
Tub Filler Inlet Fittings are 3/4” NPSM Female. Use the included ADAPTER FITTINGS (½” NPSM to
¾” NPSM) to connect to the Tub Filler Inlet Fittings if necessary.
Ø 1 7/8” - 2
1/8”
1/2"
TO 3/4" NPSM
ADAPTER FITTING (X2)
(INCLUDED)
FLEXIBLE HOSE
(X2)
2
”
(NOT INCLUDED)
TILE
MORTAR OR NAIL GLUE
CEMENT BOARD
MORTAR OR NAIL GLUE
PLYWOOD
2” - 3”
HOT
COLD
12”
MIN
Figure
2
Flooring Substrate / Water Supply
Requirements
* Flexible hoses, depicted above, are NOT
included.
** Integrity of floor substrate will affect stability of the installed product.
d. Adequate floor support is required. Flooring substrate assumptions:
i. 2”X8” wood joist support
ii. ¾” thick minimum plywood
iii. ¼” thick minimum cement board
iv. ¼” thick minimum tile or hardwood.
Note: Thin-set mortar (or nail glue) is recommended between subfloor layers outlined above.
e. Leak-free connection of the water supply to the Tub Filler INLETS (¾”NPSM female thread) is the
responsibility of the installer.
NWP-2040-4261
REV - G