Kohler K-1126 User manual

Installation Guide

Bath Whirlpool

K-1106, K-1112, K-1114,

K-1126, K-1131, K-1139,

K-1144, K-1154, K-1157,

K-1160, K-1192, K-1194,

K-1209, K-1224, K-1239,

K-1244, K-1257

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”

1011092-2-F

Important Information

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

including the following:

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 qualiﬁed 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) or Residual Current Device

(RCD). The GFCI or RCD 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.

NOTE: If the pump supply cord is damaged, it must be replaced by the manufacturer, its service agent or

similarly qualiﬁed persons in order to avoid a hazard. The heater supply cord cannot be replaced. If the

cord is damaged the heater should be replaced.

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.

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

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

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

beginning installation.

NOTICE: Follow all local plumbing and electrical codes.

Factory-Assembled Features

Factory installed components include pump with power supply cord and air switch transmitter. No

installation is needed.

″H″models are also supplied with a factory assembled heater.

The whirlpool pump and piping are factory-assembled.

Connections and Service Access

Before installation, ensure proper access to the ﬁnal connections.

1011092-2-F 2 Kohler Co.

Product 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

Guide packed with the whirlpool.

Table of Contents

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

Product Information ............................................................... 2

Tools and Materials ............................................................... 3

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

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

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

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

Secure the Unit — Models With Whirlpool Base .......................................... 7

Secure the Whirlpool to the Stud Framing ............................................... 8

Cut the Pump Banding Straps — Models With Support Blocks ............................... 8

Install the Plumbing ............................................................... 8

Make Electrical Connections ......................................................... 9

Test Run the Whirlpool ............................................................. 9

Complete the Finished Wall ........................................................ 10

Removing the Apron .............................................................. 10

Clean-Up After Installation ......................................................... 10

Conﬁrm Proper Operation .......................................................... 11

Troubleshooting ................................................................. 12

Tools and Materials

Silicone Sealant Pencil

Level

Safety Glasses

Tape Measure

Pipe Wrench

Plus:

• Conventional woodworking tools

and materials

• Drop Cloth

• Construction adhesive (optional)

• Cement or mortar (optional)

• 2x4s or 2x6s

• Screws or Lag Bolts

Kohler Co. 3 1011092-2-F

Before You Begin

For whirlpools without an apron: A drop-in installation is necessary. For whirlpools with integral

or optional apron: An alcove or corner installation is recommended, depending upon the model

chosen.

For corner units with integral apron: Have a qualiﬁed electrician install the outlets for the pump

and heater (if used) at the speciﬁed location on the whirlpool. Refer to the above illustration.

Inspect the whirlpool for damage before you begin installation.

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

Kohler Co. reserves the right to make revisions in the design of products without notice, as speciﬁed

in the Price Book.

Install the outlets for

the pump and heater

(if used) to the

mounting plate.

Outlet

1011092-2-F 4 Kohler Co.

1. Prepare the Site

NOTICE: Refer to the Roughing-in Guide packed with your whirlpool for the required minimum

lb/square foot (kg/square meter) ﬂoor support loading.

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

ﬂat and level.

For Whirlpools without Apron:

NOTICE: The whirlpool should be installed in a drop-in installation.

Construct 2x4 or 2x6 stud framing for your installation.

NOTICE: The whirlpool must be supported by its feet or base. Do not support the load weight of the

whirlpool by the perimeter of the rim.

For a raised installation: Frame the ﬂoor or construct a frame 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 Guide for cutout information.

For Whirlpools with Integral or Optional Apron:

The whirlpool should be installed in an alcove or corner installation, depending upon the model

chosen. Construct 2x4 or 2x6 stud framing designed for your particular installation. Construct a

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

For All Installations:

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.

Frame the floor

according to the

roughing-in information.

Position the rough

plumbing.

Construct 2x4 or 2x6

stud framing according

to the roughing-in

information. Verify that the subfloor

offers adequate support,

and is flat and level.

Construct 2x4 or

2x6 stud framing

according to the

roughing-in

information.

Position the

rough plumbing.

Verify that the subfloor

offers adequate support,

and is flat and level.

Kohler Co. 5 1011092-2-F

3. Secure the Unit — Models With Support Blocks

NOTICE: Do not lift the whirlpool by the piping or pump, or use the piping or pump for structural

support of the whirlpool. To avoid damage to the whirlpool, lift at the sides of the whirlpool.

NOTICE: Do not support the load weight of the whirlpool by the perimeter of the rim. The rim perimeter

must be adequately supported, but must not support the load weight of the whirlpool.

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

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

instructions.

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.

Secure the drain tailpiece to the trap. Ensure the whirlpool is level and resting on all support blocks.

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. Ensure the whirlpool is level and resting on all support

blocks.

Clear space for pump.

Spread a 2" (5.1 cm) layer of

cement or mortar bed material.

Clear spaces for

support blocks.

Apply construction adhesive

to the support blocks.

1011092-2-F 6 Kohler Co.

4. Secure the Unit — Models With Whirlpool Base

NOTICE: Do not lift the whirlpool by the piping or pump, or use the piping or pump for structural

support of the whirlpool. To avoid damage to the whirlpool, lift at the sides of the whirlpool.

NOTICE: Do not support the load weight of the whirlpool by the perimeter of the rim. The rim perimeter

must be adequately supported, but must not support the load weight of the whirlpool.

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 (not

provided) to secure the whirlpool base to the ﬂoor. Drill small pilot holes through the whirlpool

base as needed.

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 (not

provided) to secure the whirlpool base to the ﬂoor. Drill small pilot holes through the whirlpool

base as needed.

Spread a 2" (5.1 cm) layer of

cement or mortar bed material.

Apply construction adhesive

to the whirlpool base.

Kohler Co. 7 1011092-2-F

5. Secure the Whirlpool to the Stud Framing

Drill a small pilot hole through the nailing-in ﬂange at each stud. Add shims between the nailing-in

ﬂange and the studs as needed to eliminate gaps.

Nail 1/4″(6 mm) thick furring strips to the studs to shim out to the edge of the nailing-in ﬂange.

Use #6 large-head galvanized nails to secure the nailing-in ﬂange to the studs.

6. Cut the Pump Banding Straps — Models With Support Blocks

IMPORTANT! This step is necessary to make your Kohler whirlpool operate more quietly.

NOTE: Do not raise the pump higher than it was before you cut the pump banding straps. If the pump is

raised too high, it will not prime properly.

Use tin snips to cut the two pump banding straps. When the banding straps are cut, the pump

support bracket and pump will drop about 1/2″(1.3 cm) until they rest on the subﬂoor. If the pump

drops more than 1/2″(1.3 cm), shim under the pump support bracket so there is a 1/2″(1.3 cm)

gap between the pump and bracket to allow for proper drainage.

To minimize whirlpool noise and vibration, be sure the pump is not in direct contact with the

shipping bracket after the pump banding straps are cut.

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

7. Install the Plumbing

CAUTION: Risk of property damage. A watertight seal must exist on the whirlpool drain. The

watertight seal will prevent property damage.

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

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.

Stud

Nail 1/4" (6 mm)

thick furring strips

to the studs.

Drill a small hole

through the nailing-in

flange at each stud.

Use #6 large-head

galvanized nails to secure

the nailing-in flange to the

studs.

Drainage Suction Line

Pump

Cut the pump

banding straps.

NOTE:

Pump model illustrated may differ from your

actual product.

1011092-2-F 8 Kohler Co.

8. Make Electrical Connections

WARNING: Risk of electric shock. Make sure the power has been disconnected before performing

the following procedures.

WARNING: Risk of electric shock. Connect the pump and in-line heater (if included) to properly

grounded, grounding-type receptacles protected by Ground-Fault Circuit-Interrupters (GFCI’s) or

Residual Current Devices (RCD’s). Do not remove the grounding pins from the plug. Do not use

grounding adapters.

NOTE: A label identifying the model number and electrical rating of the whirlpool is located near the

whirlpool pump.

NOTICE: The pump (supplied) and heater (if supplied) are equipped with a cord and plug. All wiring for

the heater has been completed at the factory. A qualiﬁed electrician must install a GFCI- or RCD-protected,

120 V, 15 A, grounded outlet. No other load should be on this circuit.

Pump Wiring

Locate the outlet behind the whirlpool, and within 24″(61 cm) of the pump.

Plug the pump into this outlet.

NOTE: Make sure the air actuator tubing is securely attached to the pump, and is not kinked or damaged.

Heater Wiring – “H” Models

Locate the outlet behind the whirlpool, and within 24″(61 cm) of the heater.

Plug the heater into this outlet.

9. Test Run the Whirlpool

Check all electrical connections, and make sure the electrical power to the whirlpool and heater (if

equipped) is on.

Make sure all union connections to the pump and heater are securely hand tightened.

Verify that the pump banding straps have been cut (if applicable), and that the pump is resting

directly on the subﬂoor or whirlpool base.

Fill the whirlpool to a level at least 2″(5.1 cm) above the top of the highest jet. Refer to ″Conﬁrm

Proper Operation″section for additional information.

Operate the whirlpool for 5 minutes, and check all whirlpool piping connections for leaks.

NOTE:

Pump model illustrated may differ from your actual product.

Install a GFCI- or RCD-protected 120 V, 15 A grounded outlet. Install

a second GFCI- or RCD-protected outlet for "H" models for the heater.

Make sure air actuator tubing

is securely attached to the pump.

Optional Heater (models may vary)

either T-style (shown) or water intake

(not shown).

Bond in accordance with applicable codes.

Plug pump and heater

into these outlets.

Kohler Co. 9 1011092-2-F

10. Complete the Finished Wall

NOTE: If your whirlpool has an integral apron, it is designed so the ﬁnished wall material (1-1/2″[3.8 cm]

maximum) will overlap the apron columns. The ﬁnished ﬂoor material (2″[5.1 cm] maximum) should butt

against the apron.

If you have not already done so, carefully remove the protective tape from the whirlpool rim.

If necessary allow for deck-mounted valves and spout.

Cover the framing with water-resistant wall material. Seal the joints between the whirlpool rim edge

and the water-resistant wall material with silicone sealant.

Tape and mud the water-resistant wall material. Install the ﬁnished wall to the water-resistant wall

material. Seal the joints between the whirlpool rim and the ﬁnished wall material with silicone

sealant.

Install the faucet trim according to the trim manufacturer’s instructions.

11. Removing the Apron

Your whirlpool may be equipped with an integral apron which allows you convenient access to

your whirlpool controls. To remove the apron, insert the edge of a ﬂat blade screwdriver or dull

knife under the edge of the apron panel. Be careful not to scratch the visible surfaces. Gently pry up

at one end. Carefully pull the apron panel off.

To reinstall, bow the apron slightly so both ends can be inserted at the same time. Gently press in

the center of the panel to secure the apron in place.

12. Clean-Up After Installation

When cleaning up after installation, do not use abrasive cleansers, as they may scratch and dull the

whirlpool surface. Use warm water and a liquid detergent to clean the surface.

Remove stubborn stains, paint, or tar with turpentine or paint thinner. Do not allow cleaners

containing petroleum distillates to remain in contact with any whirlpool surfaces for long periods

of time. Remove plaster by carefully scraping with a wood edge. Do not use metal scrapers, wire

brushes, or other metal tools. Use a powder-type detergent on a damp cloth to provide mild

abrasive action to any residual plaster.

Framing

Whirlpool

Finished Wall

Water-Resistant

Wall Material

Apply silicone sealant to the

joint between the whirlpool

and the finished wall.

On models with an integral apron,

access the pump by gently prying

at the apron edge with a

screwdriver or dull knife to remove.

1011092-2-F 10 Kohler Co.

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