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Tushy vs Kohler bidet: price, features and fit

Tushy vs Kohler bidet is a price-tier question first. Tushy's non-electric Classic 3.0 attachment is listed at about $129 in one 2026 roundup, and its Ace 2.0 electric seat at $399. Kohler's cheapest bidet seat in the results, the Puretide M250, showed about $200 at one retailer, and its PureWash E930 electric seat ran from about $1,300 to $1,495 depending on the seller. Those are three different purchases, so the useful question is which tier you are shopping in.

Not sure which tier you need? Take the one-minute quiz, leave your email at the end, and we'll send what fits a first-timer's bathroom and budget.

Tushy vs Kohler bidet at a glance

Prices come from retailer and comparison pages that sometimes disagree and often earn affiliate fees. Use them to compare tiers, then check the maker's store for today's price.

Who is comparing Tushy and Kohler?

Two kinds of buyer end up on this search. One owns a Kohler toilet and wants to know whether a Tushy fits it: that is a fit question, and we answer it below and in bidet to fit a Kohler toilet. The other is choosing a brand and sees Kohler as the big-name option beside the design-led Tushy. For them the answer starts with price.

Tier 1: the attachment, $129 against the manual seat, $200

These two both use the cold line and no electricity, so they feel much the same in use. The difference is how they mount.

• The Tushy attachment is a bar that goes between your existing seat and the bowl. You keep your seat. Install is a T-adapter on the water line and two bolts.
• The Kohler Puretide manual seat replaces your seat. A review describes it as a full replacement, so it has to match the bowl shape: round or elongated.

The attachment is more forgiving on fit and easier to move to a new home. The seat looks more built-in, with no gap from a mounting bar. If you rent, read bidet attachment for renters, since a bar comes off in minutes and a seat means storing the old one.

Tier 2: the electric seats, $399 against about $1,300 or more

This is where Tushy vs Kohler gets lopsided. One head-to-head page lists the Tushy Ace 2.0 at $399 and the Kohler PureWash E930 at about $1,299.97, and calls them closely matched on the specs it tracks. It says the Kohler adds a deodorizer and a nightlight; the Tushy does not have them. Kohler's own site lists the E930 higher, at $1,494.97 with a remote, so prices vary by seller.

Ask what you would use. If the answer is warm water and a dryer, both seats give it and the Tushy costs around a third as much in these listings. If you want a remote, a nightlight and the Kohler name on the bathroom, the extra money buys those. Neither is the only way to get warm water; bidet attachment warm water covers the cheaper routes.

Will a Tushy fit a Kohler toilet?

Usually yes. A Tushy attachment fits most standard two-piece US toilets, and Kohler makes many of those. The checks are the same as for any brand:

1. Bolt spacing. Measure between the two seat bolt holes. Brondell's guide gives 5¼ to 8 inches as its range; other makers differ, so check the one you buy.
2. Bowl shape. About 16.5 inches from the bolts to the front of the bowl is round; about 18.5 is elongated, per TOTO's and Bio Bidet's guides.
3. Toilet style. Skirted and one-piece Kohler toilets can hide the fill valve or leave no room for a bar. See install a bidet on a skirted toilet.
4. The fill valve. The T-adapter has to match your valve's thread and have clearance. Bidet T-valve doesn't fit lists the fixes.

Kohler has also sold its own attachment and seats made for its toilets; our Kohler page explains which of its models cause trouble.

Install: attachment, manual seat or electric seat

The attachment and the manual seat are DIY jobs for most people: shut the water, swap a hose for a T-adapter, bolt on the part. Plan on 15 to 30 minutes. An electric seat needs the same plumbing plus an outlet within reach. If the outlet is missing, that is an electrician's call. For the full picture of who does what, see do you need a plumber to install a bidet and bidet toilet seat installation cost.

What goes wrong, brand by brand

We have no lab data on either brand, and we will not make up reviews. The recurring problems in the sources are about type, not name:

• Attachments: cold water, a seat that sits slightly high, a T-valve that does not fit.
• Manual seats: bowl-shape mismatch and a replacement that does not suit odd toilets.
• Electric seats: price, the outlet, and repairs of electric parts down the line.

Leaks and pressure are fixable on any of them: bidet leaking from T-valve and bidet water pressure too low cover the common ones.

How to choose between Tushy and Kohler

1. Warm water a must? Then it is the Ace 2.0 against the E930 or something else, and the attachment and the manual seat are out.
2. Under $250? The Tushy attachment or the Puretide manual seat. Pick by fit and whether you want to keep your seat.
3. Own a Kohler and want it to look built-in? Check Kohler's own seat for your bowl shape first.
4. Rent? The attachment. It is the one you can take with you.
5. Never used a bidet? Do not start at $1,300. Try a cheap bottle or an attachment for a month.

More ways to set the budget are in bidet attachment vs seat and how much does a bidet cost.

Running costs and what happens after year one

An attachment has almost no running cost: no power, and the main wear parts are the hose, the T-adapter washer and the nozzle. The manual seat is the same. An electric seat adds a small amount of power use and parts that can fail, such as the heater, the pump or the remote. Before you buy either electric seat, find out three things in writing: the warranty length, whether it covers the heater and the electronics, and who takes the claim, the maker or the shop. A cheaper seat with a short warranty is not always the cheaper seat in year three.

It also helps to think about what a bidet changes in your bathroom bill. If you use much less toilet paper, the paper saving is small next to a $1,300 seat and moderate next to a $129 attachment; our bidet vs toilet paper page has the payback table. That is one more reason first-time buyers start at the low tier.

Questions to ask a seller before you pay

1. Is this the round or the elongated version, and what is the bolt-to-front measurement it is built for?
2. Does the hose and T-adapter in the box fit a standard 7/8 inch fill valve, or do I need an extra part?
3. What is the return window if it does not fit, and who pays the shipping?
4. Does the price include the remote, the adapter and the mounting hardware?
5. For electric seats: how far from an outlet can the cord reach?

Honest sellers answer these in a sentence. A shop that cannot is a reason to buy elsewhere.

Where ASSJET fits

ASSJET is a no-plug attachment for people who have never used a bidet: one knob, cold water, five minutes to put on. It sits in tier 1, next to the Tushy attachment, and not in the seat tiers. If you want warm water, a dryer or a remote, a seat from Tushy or Kohler is the better buy. It isn't on sale yet; the waitlist is on the quiz, and we will ask for your toilet's measurements before you pay.

FAQ

Is Tushy or Kohler better?

They sell different things at different prices. Tushy is cheaper in the comparison we found: $399 against about $1,300 for the electric seats. Kohler adds a remote, deodorizer and nightlight on the E930.

Which is cheaper, a Tushy or a Kohler bidet?

Tushy, tier for tier, though Kohler's manual Puretide at about $200 is close to a Tushy attachment at about $129.

Will a Tushy attachment fit my Kohler toilet?

Most likely, if the bolts are standard and the fill valve takes a T-adapter. Measure first.

Do either need a plumber?

The attachment and manual seat usually do not. An electric seat may need an outlet put in.

Do Tushy or Kohler give warm water?

Only their electric seats. The attachment and the manual seat use the cold line.

Is the Kohler PureWash E930 worth three times the Tushy Ace 2.0?

That depends on whether you want its extras. On the specs one comparison tracks, the two are close.

More plain answers in our bidet guides, or find your bathroom god.

Sources

1. Tushy Ace 2.0 vs Kohler PureWash E930, Front Desk Review. https://frontdeskreview.com/gear/bidet-toilet-seats/tushy-ace-2-0-vs-kohler-purewash-e930/
2. PureWash and Puretide seats, Kohler. https://www.kohler.com/en/products/toilet-seats-bidet-seats/shop-puretide-toilet-seats-bidet-seats
3. Kohler Puretide bidet review, Techlicious. https://www.techlicious.com/review/kohler-puretide-bidet-review/
4. Fit and Compatibility Requirements, Brondell. https://help.brondell.com/hc/en-us/articles/34579633981709-Fit-Measurement-Guide-Toilet-Compatibility
5. Will a Bidet Fit My Toilet?, Bio Bidet. https://biobidet.com/blogs/news/will-a-bidet-fit-my-toilet