Kohler K-1106 User manual

Installation Guide

Bath Whirlpool with Custom Pump

K-1106, K-1126, K-1131,

K-1139, K-1144, K-1146,

K-1148, K-1157, K-1192,

K-1194, K-1196, K-1198,

K-1201, K-1209, K-1221,

K-1224, K-1226, K-1231,

K-1239, K-1244, K-1246,

K-1248, K-1257, K-1263,

K-1266, K-1337, K-1458

Mproduct numbers are for Mexico (i.e. K-12345M)

Los números de productos seguidos de Mcorresponden a México

(Ej. K-12345M)

Français, page “Français-1”

Español, página “Español-1”

1055820-2-A

Important Information

WARNING: When using electrical products, basic precautions should always be followed, including

the following:

DANGER: Risk of electric shock. Connect only to a circuit protected by a Ground-Fault

Circuit-Interrupter (GFCI).

Building materials and wiring should be routed away from the pump body and other heat-producing

components of the unit.

Install to permit access for servicing.

Grounding is required. The unit should be installed by a qualiﬁed service representative, and grounded.

WARNING: Risk of electric shock. A licensed electrician should make all electrical connections.

WARNING: Risk of electric shock. Disconnect power before servicing.

WARNING: Risk of injury or property damage. Please read all instructions thoroughly before

beginning installation, including the following requirements.

NOTICE: Follow all local plumbing and electrical codes.

Product Information

Electrical Requirements

The installation must have a Class A Ground-Fault Circuit-Interrupter (GFCI). The GFCI protects against

line-to-ground shock hazard. Use a 120 V, 15 A, 60 Hz dedicated service for the whirlpool.

″H″models require a separate 120 V, 15 A, 60 Hz dedicated service for the heater.

Product Notices

WARNING: Unauthorized modiﬁcation may cause unsafe operation and poor performance of the

whirlpool. Do not relocate the whirlpool pump, or make other modiﬁcations to the whirlpool system,

as this could adversely affect the performance and safe operation of the whirlpool. Kohler Co. shall not

be liable under its warranty or otherwise for personal injury or damage caused by any such

unauthorized modiﬁcation.

Factory-Assembled Features

Factory installed components include pump with power supply cord and air switch transmitter, and air

control. No installation is needed.

″H″models are supplied with a factory assembled in-line heater.

An optional timer kit is available for certain models.

The whirlpool pump and piping are factory-assembled.

Connections and Service Access

Before installation, ensure proper access to the ﬁnal connections.

1055820-2-A 2 Kohler Co.

Important Information (cont.)

NOTICE: Provide unrestricted service access to the pump. You must provide access for servicing the

pump and controls. The access must be located immediately next to the pump. Study the roughing-in

information packed with the whirlpool.

Table of Contents

Important Information .............................................................. 2

Thank You For Choosing Kohler Company .............................................. 4

Tools and Materials ............................................................... 4

Before You Begin ................................................................. 4

Prepare the Site ................................................................. 5

Prepare the Whirlpool ............................................................. 5

Disconnect the Pump .............................................................. 5

Secure the Unit — Models With Support Blocks .......................................... 6

Secure the Unit — Models With Whirlpool Base .......................................... 8

Relocate and Mount the Pump ....................................................... 9

Install the Plumbing .............................................................. 10

Install a Rim-Mounted Faucet ....................................................... 10

Make Electrical Connections ........................................................ 11

Test Run the Whirlpool ............................................................ 12

Complete the Finished Wall ........................................................ 12

Clean-Up After Installation ......................................................... 12

Conﬁrm Proper Operation .......................................................... 13

Troubleshooting Procedure ......................................................... 14

Kohler Co. 3 1055820-2-A

Thank You For Choosing Kohler Company

We appreciate your commitment to Kohler quality. Please take a few minutes to review this manual before

you start installation. If you encounter any installation or performance problems, please don’t hesitate to

Company.

Tools and Materials

Before You Begin

CAUTION: Risk of product damage. Do not lift the whirlpool by the piping or pump, or use the

piping or pump for structural support of the whirlpool.

We recommend this whirlpool for drop-in installation.

Inspect the whirlpool for damage before you begin installation.

You must install this whirlpool to an adequately supported, level subﬂoor.

Conﬁrm adequate mounting and connection space for the faucet speciﬁed for your installation.

Sealant Pencil

Level

Pipe Wrench

Plus:

• Conventional woodworking tools

and materials

• Drop Cloth

• Construction adhesive (optional)

• Cement or mortar (optional)

• 2x4's or 2x6's

Safety Glasses

Tape Measure

1055820-2-A 4 Kohler Co.

1. Prepare the Site

NOTICE: Unless otherwise speciﬁed, ﬂoor support under the whirlpool must provide for a minimum of

80 lbs/square foot (390 kg/square meter) loading.

NOTICE: Do not support the whirlpool by the rim.

Make sure the ﬂooring offers adequate support for your whirlpool, and verify that the subﬂoor is

ﬂat and level.

The whirlpool should be installed in a drop-in installation. Construct 2x4 or 2x6 stud framing

designed for your particular installation. Provide for a 1/16″(2 mm) gap between the bottom of the

whirlpool rim and the stud framing. Frame the ﬂoor, or construct a frame for a raised installation in

accordance with the roughing-in information packed with the whirlpool.

Carefully lay out and cut the rough deck material. Use the cut-out template if one is provided, or

refer to the roughing-in cut-out information.

Position the plumbing according to the roughing-in information packed. Cap the supplies, and

check for leaks.

2. Prepare the Whirlpool

Install the drain to the whirlpool according to the drain manufacturer’s instructions. Do not connect

the trap at this time.

Position a clean drop cloth or similar material in the bottom of the whirlpool. Be careful not to

scratch the surface of the whirlpool.

3. Disconnect the Pump

NOTE: No cutting of the whirlpool harness (piping) is required for this installation. Any cutting of the

harness will void the warranty.

Disconnect the pump and in-line heater (if equipped) from the shipping location by cutting the two

banding straps with tin snips.

Move the pump and in-line heater (if equipped) aside.

Relocate the pump and heater (if equipped) next to the customized inlet/outlet connections of the

whirlpool harness. The pump may protrude beyond the rim of the bath. See the rough-in details.

Frame the floor

according to the

roughing-in information.

Position

the rough

plumbing.

Verify that the subfloor

offers adequate support,

and is flat and level.

Provide a 1/16" (2 mm)

gap between the bath rim

and framing.

Construct 2x4 or

2x6 stud framing

according to the

roughing-in

information.

Cut the pump

banding straps.

Kohler Co. 5 1055820-2-A

4. Secure the Unit — Models With Support Blocks

CAUTION: Risk of product damage. Do not lift the whirlpool by the piping or pump, or use the

piping or pump for structural support of the whirlpool.

CAUTION: Risk of product damage. Do not support the whirlpool by the rim.

Choose the installation option that best applies to your particular installation. Follow the

appropriate instructions.

If the subﬂoor is not level, shim the whirlpool support blocks as necessary.

Option Using a Cement or Mortar Bed

NOTE: Do not use gypsum cement or drywall compound for this application, as they will not provide an

acceptable, durable bond.

NOTE: The pump support bracket (when the pump banding straps are cut) and support blocks must

rest directly on the subﬂoor.

Spread a 2″(5.1 cm) thick layer of cement or mortar on the subﬂoor where the whirlpool will be set.

This will help secure, level, and support the unit. Clear all the material away from the pump

support bracket and support block locations.

Position a piece of plastic drop cloth material on top of the cement or mortar bed. With help,

carefully lift the whirlpool into place, and make sure the pump support bracket and support blocks

do not rest in the bed material.

Insert the drain tailpiece into the trap. Make sure the whirlpool is level and resting on all support

blocks.

Remove the protective tape from the rim. Apply a continuous bead of high-quality silicone sealant

around the entire rim of the whirlpool.

Option Using Construction Adhesive

Apply a generous amount of high-quality construction adhesive to the bottom of the support blocks.

With help, carefully lift the whirlpool into position.

Insert the drain tailpiece into the trap. Make sure the whirlpool is level and resting on all support

blocks.

Remove the protective tape from the rim. Apply a continuous bead of high-quality silicone sealant

around the entire rim of the whirlpool.

Option Using Silicone Sealant

With help, carefully lift the whirlpool into position.

Clear space for pump.

Spread a 2" (5.1 cm) layer of

cement or mortar bed material.

Clear spaces for

support blocks.

Apply a bead of silicone sealant around the entire rim.

Apply construction adhesive to the support blocks.

1055820-2-A 6 Kohler Co.

Secure the Unit — Models With Support Blocks (cont.)

Insert the drain tailpiece into the trap. Make sure the whirlpool is level and resting on all support

blocks.

Remove the protective tape from the rim. Apply a continuous bead of high-quality silicone sealant

around the entire rim of the whirlpool.

Kohler Co. 7 1055820-2-A

5. Secure the Unit — Models With Whirlpool Base

CAUTION: Risk of product damage. Do not lift the whirlpool by the piping or pump, or use the

piping or pump for structural support of the whirlpool.

CAUTION: Risk of product damage. Do not support the whirlpool by the rim.

Choose the installation option that best applies to your particular installation. Follow the

appropriate instructions.

If the subﬂoor is not level, shim the whirlpool base as necessary.

Option Using a Cement or Mortar Bed

NOTE: Do not use gypsum cement or drywall compound for this application, as they will not provide an

acceptable, durable bond.

Spread a 2″(5.1 cm) thick layer of cement or mortar on the subﬂoor where the whirlpool will be set.

This will help secure, level, and support the unit.

Position a piece of plastic drop cloth material on top of the cement or mortar bed. With help,

carefully lift the whirlpool into place.

Insert the drain tailpiece into the trap. Make sure the whirlpool is level. Use screws or lag bolts to

secure the whirlpool base to the ﬂoor. Drill small pilot holes through the whirlpool base as needed.

Remove the protective tape from the rim. Apply a continuous bead of high-quality silicone sealant

around the entire rim of the whirlpool.

Option Using Construction Adhesive

Apply a generous amount of high-quality construction adhesive to the bottom of the whirlpool base.

With help, carefully lift the whirlpool into position.

Insert the drain tailpiece into the trap. Make sure the whirlpool is level. Use screws or lag bolts to

secure the whirlpool base to the ﬂoor. Drill small pilot holes through the whirlpool base as needed.

Remove the protective tape from the rim. Apply a continuous bead of high-quality silicone sealant

around the entire rim of the whirlpool.

Option Using Silicone Sealant

With help, carefully lift the whirlpool into position.

Insert the drain tailpiece into the trap. Make sure the whirlpool is level. Use screws or lag bolts to

secure the whirlpool base to the ﬂoor. Drill small pilot holes through the whirlpool base as needed.

Remove the protective tape from the rim. Apply a continuous bead of high-quality silicone sealant

around the entire rim of the whirlpool.

Spread a 2" (5.1 cm) layer of

cement or mortar bed material.

Apply construction adhesive

to the whirlpool base.

1055820-2-A 8 Kohler Co.

6. Relocate and Mount the Pump

Relocate the pump and in-line heater (if equipped) next to the customized inlet and outlet

connections of the whirlpool harness. The pump may extend beyond the rim of the whirlpool.

Remove all protective packaging from around the whirlpool harness. Cut only those cable ties

supporting the union nuts.

Remove the plugs from the pump inlet and outlet openings. Install the O-rings into the grooves on

the inlet and outlet connector ﬁttings.

Set the pump on the support bracket.

Thread the plastic inlet and outlet attachment nuts onto the pump until the O-rings make initial

contact.

Tighten each nut a quarter turn after initial contact. Do not overtighten these nuts.

NOTE: Do not shim the pump more than 1/2″(1.3 cm). Raising the pump too high will prevent the pump

from priming properly.

Make sure the whirlpool harness inlet piping (suction line) is pitched downward from the pump

toward the suction ﬁtting. This is important so the pump will drain water properly. Shim the pump

if necessary to promote proper drainage.

Secure the pump support bracket with four screws or lag bolts (not provided).

Connect the air actuator tubing to the air switch on the pump.

Relocate

Pump

Provide access to the installed pump for servicing.

Pump

O-Rings

Air Switch

When installing the pump, make sure

to remove the plugs from the inlet and

outlet piping.

Kohler Co. 9 1055820-2-A

7. Install the Plumbing

CAUTION: Risk of property damage. Ensure a watertight seal on the whirlpool drain.

Connect the drain to the trap according to the drain manufacturer’s instructions.

NOTICE: An access panel will simplify future maintenance.

Install the faucet valving according to the faucet manufacturer’s instructions. Do not install the

faucet trim until instructed. Open the hot and cold water supplies, and check the supply

connections for leakage.

Run water into the whirlpool, and check the drain connections for leakage.

8. Install a Rim-Mounted Faucet

K-1226 and K-1231 Only

Measure and cut a piece of 1/2″exterior grade plywood 4″(10.2 cm) x 11-1/2″(29.2 cm) for the

K-1226, or 4″(10.2 cm) x 15-1/2″(39.4 cm) for the K-1231.

The faucet should be located in the center of the ﬂat area of the rim. Refer to the faucet

manufacturer’s instructions. Use a pencil to mark the faucet centerlines for drilling.

NOTE: The K-1226 will accept faucets with 4″(10.2 cm) centers, and the K-1231 will accept faucets with 4″

(10.2 cm) or 6″(15.2 cm) centers.

CAUTION: Risk of product damage. Position a thin piece of cardboard on the ﬁnished surface of the

whirlpool before clamping the plywood in place. Make sure the clamps do not make direct contact

with the ﬁnished surface of the whirlpool.

Set a thin piece of cardboard on the ﬁnished surface of the whirlpool rim. Position the plywood on

the bottom of the rim, and carefully clamp the plywood in place. Make sure the clamps are in

contact with the cardboard, not the ﬁnished surface of the whirlpool.

Carefully drill the faucet holes to the size required by the faucet manufacturer. Remove the clamps

and cardboard.

Install the faucet to the rim and plywood according to the faucet manufacturer’s instructions.

Open the hot and cold water supplies, and check the supply connections for leakage.

Run water into the whirlpool, and check the drain connections for leakage.

4" (10.2 cm)

Measure, cut, and drill a piece of 1/2" exterior

grade plywood 4" (10.2 cm) x 11-1/2" (29.2 cm) for

the K-1226, or 4" (10.2 cm) x 15-1/2" (39.4 cm) for

the K-1331.

Whirlpool Rim

Install the faucet to the rim and

plywood according to the faucet

manufacturer's instructions.

1055820-2-A 10 Kohler Co.

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