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KOHLER toilet with bidet seat in a bright bathroom featuring sage green patterned wallpaper, light wood accents, and brown stone tile flooring.

How to Install a Bidet Toilet Seat

A step-by-step guide for DIY bidet toilet seat installation.

A person installing a KOHLER bidet toilet with an attached water line.

What You’ll Need

The first step to prepping your space is to gather the necessary tools for your bidet toilet seat installation. Most often, you’ll need:

• KOHLER® bidet toilet seat
• Adjustable wrench
• Flathead screwdriver
• Teflon tape (optional)
• Water supply T-valve (usually included)
• Bucket or towel (to catch water)
• Access to grounded outlet (for electric bidet seats)

Consult the product manual that comes with your bidet toilet seat to see if any other additional tools are required or search KOHLER service parts to find a specific part.

Step-by-Step: How to Install a Bidet Toilet Seat

Compatibility Tips

Selecting the right seat starts with understanding your space and setup.

Two toilet seat shapes in round and elongated.

Toilet Shape Matters

Choose elongated or round-seat models to match your bowl. Measure from the hinge bolts to the front of the seat to confirm a proper fit.

KOHLER toilet and bidet toilet seat open halfway in a neutral bathroom.

Electric vs. Manual

Manual seats use only water pressure and don’t need power. Electric seats offer features like warm water and heated seats, but require an outlet.

KOHLER toilet with bidet seat in a bright white bathroom with brown tree-patterned wallpaper and white tile flooring.

Outlet location

A grounded outlet should be within four feet for electric models.

Key Features

Discover enhancements that bring comfort and cleanliness to a new level. Availability varies by model, so explore options to find the features that fit your routine.

Stainless steel wand on a KOHLER bidet toilet seat.

Adjustable Spray Modes

Oscillating and pulsating sprays offer customizable water pressure for a tailored cleanse.

Control panel for a KOHLER bidet toilet seat in a wallpapered bathroom.

Personalized Water Temperature

Warm-water settings can be personalized for soothing comfort.

Warm air coming out of a heated bidet toilet seat.

Heated Seat and Warm-Air Drying

Experience added luxury for a consistently comfortable experience.

Smart Features

Convenience meets innovation for a high-tech spa experience at home.

A person holding a remote control for a KOHLER bidet toilet seat.

Remote Controls

Intuitive handheld remote with programmable presets for two users provides advanced personalization.

LED illuminated night light in a KOHLER bidet toilet seat.

Nightlights

LED illumination softly lights the bowl and bathroom for nighttime visibility.

Autocleaning stainless steel wand on a KOHLER bidet toilet seat.

Autocleaning Wands

Stainless steel bidet wands are sanitized with UV light every 24 hours for a hygienic, refreshing cleanse.

Bathroom Articles

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