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FIELD WIRING
COMPARTMENT
PUMP
2”
9”
PUMP/CONTROL ACCESS
48”
23”
13/16”
2-7/8”
3”
1-1/2” I.P.S. THR’D
1-1/2” O.D.
3-1/2”
72”
24”
1-3/4”
9
106548-CA (9437)
Kohler Co., Kohler WI
5. ROUGHING-IN: K-1220-AC, K-1221-AC
A. ORDERING INFORMATION
Factory installed components include pump and air switch
transmitter.
Information contained in this roughing-in also applies to
K-1221-J1-AA and K-1221-JA-AA.
Whirlpool with wall timer K-1220-AC
Whirlpool with air switch (shown) K-1221-AC
Accessories/hardware:
Drain K-7161-AF recom-
mended
Apron K-1223 optional
Vinyl tiling-in bead* K-1179 optional
*Use K-1179 vinyl bead when wall material contacts any
top surface of bath.
B. REQUIRED ELECTRICAL SERVICE
Dedicated circuits required, protected with Class A
Ground-Fault Circuit-Interrupter (GFCI):
Pump/control 120 V., 15 A, 60 Hz
C. PRODUCT INFORMATION
Fixture: basin area top area weight
Bathing well 47” x 37” 67” x 32” 120 lbs.
water depth capacity
To overflow 16-7/8” 117 gals.
Pump, 1 phase hp RPM V Hz A
60 Hz 3/4 3450 120 60 10
D. INSTALLATION NOTES
Refer to installation instructions included with fixture before
beginning installation.
*Some K-1179 tiling-in beads may require trimming of the
bottom edge for proper fit.
ROUGHING-IN NOTES
Fixture dimensions are nominal and conform to toler-
ances in ANSI Standard Z124.1.
No change in measurements if connected with drain
illustrated.
Cut-out 46-1/4” x 70-1/4”
Minimum access:
Pump/control box 20” W x 15” H panel required