Rough-In Guide

Product Information
Applicable products:
Bath whirlpool with in-line heater – drop-in
rim style
K-1257-H
Bath whirlpool with in-line heater – 3-side
integral flange, left drain
K-1257-LH
Bath whirlpool with in-line heater – 3-side
integral flange, right drain
K-1257-RH
Fixture*:
Bathing well:
Basin area, bottom 50″ (127 cm) x 24″ (61 cm)
Basin area, top 65″ (165.1 cm) x 27″ (68.6 cm)
Weight 115 lbs (52.2 kg)
To overflow:
Water depth 14″ (35.6 cm)
Capacity 72 gal (272.5 L)
* Approximate measurements for comparison only.
Drop-in cut-out 70″ (177.8 cm) x 34″ (86.4 cm)
Pump: V Hz A
1-speed 120 60 7.5
Heater: kw V Hz A
1.5 120 60 12.5
Minimum access panel for pump/control
20″ (50.8 cm) W x 15″ (38.1 cm) H required
Required Electrical Services
Two dedicated circuits required, each protected with
Class A Ground-Fault Circuit-Interrupter (GFCI):
Pump/control 120 VAC, 15 A, 60 Hz
Heater 120 VAC, 15 A, 60 Hz
Locate the outlet behind the whirlpool and within 24″
(61 cm) of the pump and heater.
Installation Notes
Install this product according to the installation guide.
Floor support under whirlpool must provide for a minimum of
41 lbs/square foot (201 kg/square meter) loading.
The apron must be installed before the finished floor and wall
materials are installed.
If installing a rim-mount faucet, make sure there is no
interference with drain overflow and circulating system before
drilling any holes. Consult local and national codes for
minimum air gap requirements if installing a spout on the
faucet deck.
Fixture conforms to ANSI Standard Z124.1.2. All dimensions
are nominal.
Pump/Control Access
(If Apron Is Not Used):
20" (50.8 cm) W x 15"
(38.1 cm) H
Pump/Control Access (If Apron Is Not Used):
20" (50.8 cm) W x 15" (38.1 cm) H
No change in measurements if connected
with drain illustrated. (K-11677 or K-11677M)
Recommended Faucet Area
72" (182.9 cm)
1" (2.5 cm)
3" (7.6 cm)
1-1/2" OD
18"
(45.7 cm)
20"
(50.8 cm)
36" (91.4 cm)
Integral
Flange Detail
Drop-In
Rim Detail
1-1/2"
(3.8 cm)
1-1/4"
(3.2 cm)
1/2"
(1.3 cm) R.
1-13/16"
(4.6 cm)
3-1/2"
(8.9 cm)
2-7/8"
(7.3 cm)
18-1/2"
(47 cm)
10-1/4"
(26 cm)
1-1/4"
(3.2 cm)
Roughing-In
K-1257-H, K-1257-LH, K-1257-RH
MARIPOSA
®
BATH WHIRLPOOL WITH IN-LINE HEATER
MARIPOSA
®
BATH WHIRLPOOL WITH IN-LINE HEATER
1012669-1-
C