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
motor:
1 HP
300 W
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
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.
top area
65" (165.1 cm) x
27" (68.6 cm)
capacity
72 gal.
(272.5 L)
Voltage
Frequency
120 V
60 Hz
70" (177.8 cm) x 34" (86.4 cm)
120 V, 15 A, 60 Hz
Notes
Install this product according to the installation guide.
Fixture dimensions are nominal and conform to tolerances in ANSI
Standard Z124.1.
shown
Floor support under bath must provide for a minimum of 80
not shown
lbs/square foot (390 kg/square meter).
shown
A blower motor access panel is required.
If used, the optional apron must be installed before the finished
floor and wall materials are installed.
weight
If installing a rim-mount faucet, make sure there is no interference
102 lbs
with drain overflow and circulating system before drilling any
(47.2 kg)
holes. Consult local and national codes for minimum air gap
requirements if installing a spout on the faucet deck.
Amperage
5 A
2
10-1/4"
(26 cm)
72" (182.9 cm)
18"
(45.7 cm)
1-13/16"
(4.6 cm)
1-1/4"
(3.2 cm)
3-1/2"
(8.9 cm)
Kohler Co.