Kohler K-1257 Instructions D'installation page 2

No change in measurements with drain
shown. (K-7166-AF or K-7166M-AF)
Recommended faucet area.
1-1/4"
(3.2 cm)
1/2" R.
(1.3 cm)
Integral Flange Detail
36" (91.4 cm)
2-7/8"
(7.3 cm)
3" (7.6 cm)
Product Information
Mexico products have an M after the first sequence of
numbers (such as K-12345M).
K-1257-G Bath with airjets, without flange
K-1257- Bath with airjets, with integral
GLF flange, left drain
K-1257- Bath with airjets, with integral
GRF flange, right drain
Fixture:* basin area
Bathing 50" (127 cm) x 24"
well (61 cm)
water depth
To 14" (35.6 cm)
overflow
* Approximate measurements for comparison only.
Blower Heater Voltage
motor:
1 HP 300 W 120 V
Included components:
Drop-in cut-out
Required Electrical Service
Dedicated circuit required, protected with Class A
Ground-Fault Circuit-Interrupter (GFCI):
Blower motor:
Blower motor is supplied with a 24" (61 cm) grounding-type
plug-in cord.
1040051-1-A
All manuals and user guides at all-guides.com
1-1/2"
(3.8 cm)
Drop-In Rim Detail
Blower Access
20" (50.8 cm) W x
15" (38.1 cm) H
20" (50.8 cm)
21-1/4"
K-1257-GRF
(54 cm)
& K-1257-G
K-1257-GRF
1" (2.5 cm)
18-1/2" (47 cm)
K-1257-G
1-1/2" O.D.
shown
not shown
shown
top area weight
65" (165.1 cm) x 102 lbs
27" (68.6 cm) (47.2 kg)
capacity
72 gal.
(272.5 L)
Frequency Amperage
60 Hz 5 A
70" (177.8 cm) x 34" (86.4 cm)
120 V, 15 A, 60 Hz
72" (182.9 cm)
Notes
Install this product according to the installation guide.
Fixture dimensions are nominal and conform to tolerances in ANSI
Standard Z124.1.
Floor support under bath must provide for a minimum of 80
lbs/square foot (390 kg/square meter).
A blower motor access panel is required.
If used, the optional 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.
2
18"
(45.7 cm)
1-13/16"
(4.6 cm)
10-1/4"
(26 cm)
1-1/4"
(3.2 cm)
3-1/2"
(8.9 cm)
Kohler Co.