Before YOU Begin Adjustments | Kohler K-3402-EB, K-3385-EB manual

Trip Chain

Flapper Hooks

Flush Ball

Screws

Mounting Hooks

Old Style Flush Valve

Fig. #13

controls flow at various water pressures. An antisiphon valve prevents backflow.

For most satisfactory operation of this toilet, 25 to 80 psi working pressure is required at the fixture. A full 1/2" sup ply stop (K-7653) is recommended. A pressure regula tor is recommend when pressure exceeds 125 psi.

The flush valve controls the flow of water from tank to bowl. The flush ball and lift wire control valve operation at the end of the flush. The lift wire provides for the accurate seating of the flush ball.

BEFORE YOU BEGIN ADJUSTMENTS:

Refer to exploded view illustration (Fig. #14) and Fig. #15. Make sure you understand the following before you refer to the Troubleshooting Chart.

Cap Assembly

Adjusting Screw

Plunger S.A.

Float Rod

Float Ball

Seat

O-ring

Rubber Gasket

Rotor

Lift Chain

Screw

Rim

Flush

HushTube

Tube

	Rotor Arm
	Lift Wire
	Plastic Collar
Gasket
Locknut	Flush Ball
	Rubber Seat Gasket
Supply Connection	Seat Clamp

Rochelle/Palarre Tank Fitting

Fig. #14

Trip Lever Assembly

Volume Control

Float Rod

Rotor

Rim Flush

Tube

Directional

Valve

Lift Wire

Flush Valve

Trip Lever Tank Fitting Assembly

Fig. #15

WATER LEVEL. The water level must be at the waterline indicated at the back of the tank for proper flushing of bowl. Bend float rod if necessary to obtain the proper water level. The flush valve will not shut off if the water is above the overflow. If any pressure variation occurs in the supply line, adjust the water level when the water pressure is at its highest point.

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K-3402-EB, K-3378-EB, K-3385-EB specifications

Kohler, a brand synonymous with quality and innovation in bathroom fixtures, offers a range of stylish and high-performance toilets, including the popular K-3385-EB, K-3378-EB, and K-3402-EB models. Each of these toilets combines modern design with advanced technologies to provide exceptional performance and comfort.

The Kohler K-3385-EB, also known as the “Highline,” features a classic two-piece design that integrates seamlessly into any bathroom decor. One of its standout attributes is the Chair Height design, which offers a comfortable seat height that makes it ideal for users of all ages. The toilet is also equipped with Kohler's AquaPiston flushing technology, enabling a powerful flushing action with just a single flush. This technology enhances the toilet's performance while ensuring efficient water usage.

Next, the K-3378-EB, or the “Comfort Height” toilet, follows a similar aesthetic as the K-3385-EB but is designed with additional ergonomic benefits. The Comfort Height feature brings the seat to a higher level, promoting ease of use, especially for individuals with mobility issues. This model also utilizes the AquaPiston flush system, which provides a versatile and effective flush while consuming only 1.28 gallons per flush. The K-3378-EB is not only practical but also eco-friendly, making it an excellent choice for environmentally conscious consumers.

Lastly, the Kohler K-3402-EB introduces a sleek, modern silhouette, perfect for contemporary bathrooms. This model sports an elongated bowl design that enhances user comfort and is complemented with the innovative DuraCeramic finish, which ensures durability and ease of cleaning. Like its counterparts, the K-3402-EB also employs AquaPiston technology to optimize flushing performance. It combines style, comfort, and advanced flushing capabilities, making it a superb choice for those seeking a blend of aesthetics and functionality.

In summary, the Kohler K-3385-EB, K-3378-EB, and K-3402-EB toilets showcase the brand's commitment to quality and innovation. With features like Chair Height and Comfort Height designs, AquaPiston flushing technology, and durable finishes, these toilets enhance the bathroom experience while also contributing to water conservation. Each model presents unique characteristics and aesthetics, catering to a range of preferences and needs while ensuring that Kohler continues to lead the way in bathroom solutions.

Kohler K-3402-EB, K-3385-EB, K-3378-EB Before YOU Begin Adjustments, Rochelle/Palarre Tank Fitting

Models: K-3402-EB K-3378-EB K-3385-EB

Fig. #13

controls flow at various water pressures. An antisiphon valve prevents backflow.

For most satisfactory operation of this toilet, 25 to 80 psi working pressure is required at the fixture. A full 1/2" sup ply stop (K-7653) is recommended. A pressure regula tor is recommend when pressure exceeds 125 psi.

The flush valve controls the flow of water from tank to bowl. The flush ball and lift wire control valve operation at the end of the flush. The lift wire provides for the accurate seating of the flush ball.

BEFORE YOU BEGIN ADJUSTMENTS:

Rochelle/Palarre Tank Fitting

Fig. #14

Fig. #15

K-3402-EB, K-3378-EB, K-3385-EB specifications

Fig. #13

controls flow at various water pressures. An anti￿siphon valve prevents backflow.

For most satisfactory operation of this toilet, 25 to 80 psi working pressure is required at the fixture. A full 1/2" sup￿ ply stop (K-7653) is recommended. A pressure regula￿ tor is recommend when pressure exceeds 125 psi.

The flush valve controls the flow of water from tank to bowl. The flush ball and lift wire control valve operation at the end of the flush. The lift wire provides for the accurate seating of the flush ball.

BEFORE YOU BEGIN ADJUSTMENTS:

Rochelle/Palarre Tank Fitting

Fig. #14

Fig. #15

K-3402-EB, K-3378-EB, K-3385-EB specifications

controls flow at various water pressures. An antisiphon valve prevents backflow.

For most satisfactory operation of this toilet, 25 to 80 psi working pressure is required at the fixture. A full 1/2" sup ply stop (K-7653) is recommended. A pressure regula tor is recommend when pressure exceeds 125 psi.