Rough-In Guide

Product Information
Applicable product:
Overflowing bath, center drain with
chromatherapy package (shown)
K-1166-C1
Overflowing bath, center drain K-1166-RE
Required accessory:
Bath drain K-7223
Fixture*:
Bathing well:
Basin area
bottom
60″ (152.4 cm) x 25-1/2″ (64.8 cm)
Basin area
top
84″ (213.4 cm) x
31-1/2″ (80 cm)
Weight 375 lbs (170 kg)
To overflow:
Water depth 24-5/8″ (62.5 cm)
Capacity 185 gal (700 L)
* Approximate measurements for comparison only.
Two dedicated circuits are required, each protected with Class
A Ground-Fault Circuit-Interrupter (GFCI) or Earth-Leakage
Circuit Breaker (ELCB):
Pump/Control 1.5 hp, 220-240 V, 20 A, 50/60 Hz
Heater 4 kW, 220-240 V, 20 A, 50/60 Hz
Notes
Install this product according to the installation guide.
The areas labeled ″A″ and ″B″ are recommended installation
locations for bath spouts. ″B″ applies to ceiling mounted bath
spouts only. For a list of bath spouts for this product, see the
specification sheet.
Floor support under the whirlpool must provide for a minimum of
3500 lbs (1588 kg).
Consult local and national codes for minimum air gap
requirements when installing a spout on the faucet deck.
The hot water supply should be 70% of the capacity of the bath or
greater. Installations will vary.
Fixture dimensions are nominal and conform to tolerances in ANSI
Standard Z124.1.
Unit must be filled through the bathing well.
A
A
B
51-7/8" (131.8 cm)
103-3/4" (263.5 cm)
41"
(104.1 cm)
20-1/2"
(52.1 cm)
85" (215.9 cm)
3" (7.6 cm)
2-7/8" (7.3 cm)
1" (2.5 cm)
31-13/16"
(80.8 cm)
26-1/2"
(67.3 cm)
23-11/16"
(60.2 cm)
1-1/2" OD
1" (2.5 cm)
1" (2.5 cm)
No change in measurements if connected with
drain illustrated. (K-7223 or K-7223M)
Cut-out: 102-1/4" (259.7 cm) x 40" (101.6 cm)
Pump/Control Access
40" (101.6 cm) W x
15" (38.1 cm) H Min
7" (17.8 cm)
1054216-1-A 2 Kohler Co.