Kohler K-1257-H Roughing-In Manual page 2

Pump/Control Access (If Apron Is Not Used):
20" (50.8 cm) W x 15" (38.1 cm) H
18"
(45.7 cm)
1-13/16"
(4.6 cm)
1-1/4"
(3.2 cm)
3-1/2"
(8.9 cm)
Product Information
Applicable products:
Bath whirlpool – drop-in
Bath whirlpool – left drain, integral flange
Bath whirlpool – right drain, integral flange
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 cutout: 70" (177.8 cm) x 34" (86.4 cm)
Pump:
1-speed
Heater kW
1.5
Minimum access panel pump/control:
20" (50.8 cm) W x 15" (38.1 cm) H
1012656-1-C
10-1/4"
(26 cm)
72" (182.9 cm)
2-7/8"
1" (2.5 cm)
(7.3 cm)
3" (7.6 cm)
K-1257-H
K-1257-LH
K-1257-RH
V Hz A
120 60 7.5
V Hz A
120 60 12.5
required
No change in measurements if connected
with drain illustrated. (K-11677 or K-11677M)
Recommended Faucet Area
1-1/4"
(3.2 cm)
1/2"
(1.3 cm) R.
Integral
Flange Detail
Pump/Control Access
(If Apron Is Not Used):
20" (50.8 cm) W x 15"
(38.1 cm) H
20"
18-1/2"
(50.8 cm)
(47 cm)
1-1/2" OD
Required Electrical Service (2 required)
Two dedicated circuits required, each protected with Class A
Ground-Fault Circuit-Interrupter (GFCI):
Pump/control
Heater
Locate the outlets behind the whirlpool and within 24" (61 cm)
of the pump.
Notes
Install this product according to the installation guide.
Floor support under this product 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.
This fixture conforms to ANSI Standard Z124.1.2. All dimensions
are nominal.
2
1-1/2"
(3.8 cm)
Drop-In
Rim Detail
36" (91.4 cm)
120 V, 15 A, 60 Hz
120 V, 15 A, 60 Hz
Kohler Co.