TOTO Washlet S7A Review: Is Japan’s Finest Bidet Seat Actually Worth $2,000?

The Short Version: You’ll Never Want to Leave Your Bathroom

I’ve tested a lot of bathroom products over the years. Mops that promise miracles, toilet cleaners with dramatic brand names, and shower heads that somehow cost more than a week’s groceries. But nothing — and I mean nothing — has generated as much genuine excitement in my household as installing a bidet seat. Specifically, this one.

The TOTO Washlet S7A is TOTO’s current flagship bidet seat, sitting at the very top of their WASHLET line and carrying a price tag that will make you quietly reconsider your relationship with money. I tested it for several months, put it through its paces across real daily use, and I can now report back — with both enthusiasm and a few honest caveats — on whether this heated, self-cleaning, automatically-opening throne is actually worth it.

Spoiler: for the right person, yes. Emphatically.

Quick Verdict

Key Points	Verdict
Best for	Tech-loving homeowners who want the full luxury bathroom experience and don’t mind paying for it
Not ideal for	Budget-conscious buyers, anyone with a larger frame who prioritises seat comfort, or those who want simple controls
Aiden’s Rating	8.5 / 10

Pros:

• Auto open/close lid that genuinely works flawlessly
• EWATER+ self-cleaning system keeps the bowl remarkably clean with zero effort
• Instant, unlimited warm water — no cold-shock surprises

Cons:

• Remote feels underwhelming for a $2,000 product
• Contemporary seat shape won’t suit every body type
• Nighttime cleaning cycles can be audible if your bathroom is close to a bedroom

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Key Features — What TOTO Claims It Does

1. EWATER+ and PREMIST Technology

This is TOTO’s signature trick, and it’s genuinely clever. Before you even sit down, PREMIST automatically sprays the bowl with a fine mist of water, which prevents waste from adhering to the porcelain surface. After each use, the EWATER+ system — which creates electrolyzed water from your regular tap supply — mists both the wand and the bowl to sanitise everything without chemicals. The result: the inside of the bowl stays noticeably cleaner between scrubs. That’s not marketing fluff. It’s measurably real.

2. Instant Unlimited Warm Water

Unlike tank-based bidet seats that store a limited reservoir of heated water and eventually run cold (awkward), the S7A uses an on-demand tankless heater. There is no warm water budget. No cold surprise mid-session. The water temperature stays consistent for as long as you need, which matters more than most people expect until they’ve experienced the alternative.

3. Auto Open/Close Lid with Seat Detection

The lid and seat automatically open as you approach and close once you step away. It sounds like a novelty. It is, in fact, an upgrade to how you interact with a bathroom forever. The entire experience becomes completely hands-free. The remote can also control this manually.

4. Multi-User Memory + Full Spray Customisation

The S7A stores preferences for up to four users — water temperature, pressure, spray position, and dryer heat — each accessible at the press of a button. Spray modes include rear wash, soft rear wash, front (feminine) wash, and an oscillating spray that covers more surface area. Five dryer temperature settings and a five-level pressure range round out the customisation.

5. Heated Seat + Auto Deodoriser + Night Light

The seat is consistently heated, the deodoriser activates automatically after each use, and a soft night light makes 3am navigation considerably less dramatic. These aren’t headline features, but they’re the ones that quietly earn points every single day.

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My Testing Experience — What I Actually Found | TOTO Washlet S7A Review

The Lid Open/Close Is The Feature You Didn’t Know You Needed

I’ll be honest: before testing this, I thought the automatic lid was the definition of unnecessary luxury. A hands-free lid? For a toilet? I was prepared to note it as a charming gimmick and move on.

Three days in, I was evangelising it to houseguests.

The lid opens the moment you approach — not tentatively, not after some suspicious 10-second delay, but smoothly and immediately, as if the toilet has been waiting for you. Guests who used my bathroom during the testing period all had the same reaction: they stopped, looked down, and let out a very specific kind of surprised laugh. The kind that says “this is ridiculous and I love it.” It closes just as quietly after use. No slamming. No touching. No reminding other people in your household to close the seat.

Small thing. Life-changing thing.

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EWATER+ Is Not A Gimmick

I went into this expecting the PREMIST and EWATER+ functions to be the kind of feature that sounds impressive in a brochure and does almost nothing in practice. I was wrong.

After about two weeks of regular use, the bowl genuinely needed less manual cleaning. Not a dramatic “the toilet cleans itself” kind of less — let’s be measured here — but a real, noticeable reduction in how much effort was required to keep it looking presentable. The misting and electrolyzed water treatment before and after each use clearly inhibits buildup. I’ve lived with and without this feature now, and I prefer with.

The PREMIST function has one quirk worth knowing: when you have both the lid and seat set to auto-raise simultaneously (useful in an all-male household), the pre-mist doesn’t trigger automatically before sitting. There’s some logic in the system that requires a bit of configuration to get this working reliably. It’s a minor thing but slightly annoying to discover only after googling it.

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The Warm Water Is The Real Upgrade

Tank-based bidet seats are the budget airline of bidet hygiene. They work, mostly, but if you’ve been in the seat long enough for the tank to exhaust itself, you’ll know about it in an unforgettable way.

The S7A’s tankless heater means that doesn’t happen. The water temperature during my testing was stable throughout extended use — consistent on degree, consistent on pressure. That consistency transforms the whole experience from “functional hygiene device” to something closer to what you’d find in a high-end Japanese hotel bathroom. Having experienced several bidets in Japan, I can say this seat genuinely sits in that company.

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Five Spray Modes That Actually Matter

The rear wash handles the primary job well — solid pressure at the higher settings, gentle enough at the lower ones for everyday use. The oscillating spray mode was a genuine improvement on basic point-wash: it covers a wider area with a back-and-forth motion that makes the clean feel more thorough. The front wash for feminine hygiene is present, adjustable, and appreciated by the women who used this during testing.

The dryer is warm, functional, and takes a few minutes at full strength to do the job completely. If you’re the type of person who’d rather sit and wait than use a single square of backup paper, it works. If patience isn’t your thing, you’ll still reach for the tissue eventually. That’s a bidet seat reality, not an S7A failure.

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The Night Light + Heated Seat Combo Is A Quiet MVP

I didn’t think I needed a warm seat. I’d lived without one my entire life. Then I had one for three months and sat on a cold seat in a hotel and quietly felt wronged by the experience. The S7A’s seat warming is consistent, not uncomfortably hot, and exactly the kind of comfort that’s hard to articulate until you don’t have it.

The bowl-facing night light adds a soft illumination that means zero disorientation for late-night visits — and it’s subtle enough that it won’t disturb a partner if your bathroom shares a wall with the bedroom.

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Installation: Straightforward, But Read the Manual First

The physical installation takes around 15–30 minutes. The mounting bracket requires a small adjustment (moving it forward a notch before mounting the seat is the key trick that many installers miss — it ensures the seat lines up properly with the toilet bowl). The shared instruction manual covers multiple product variants including the auto-flush version, so if you’ve purchased the standard S7A, there’ll be sections that don’t apply. Lean on YouTube videos for supplementary guidance — they’re faster than decoding the manual alone.

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How It Compares — TOTO S7A vs Alpha JX2

The Alpha JX2 is the most consistently awarded bidet seat at a fraction of the price — named CNN Underscored’s Best Overall Bidet for five consecutive years and priced at approximately $400–$500. It’s an obvious comparison point.

The JX2 offers tankless instant warm water, a LED night light, air dryer, self-cleaning stainless steel nozzle, and a sittable lid — all in a reliable, highly-reviewed package. Where it genuinely wins: value, the sittable lid (the S7A’s lid cannot bear weight), and a 3-year warranty versus the S7A’s 2-year coverage. The JX2 also has no automatic lid — that’s entirely manual.

What the S7A has that the JX2 simply cannot match: the automatic open/close lid, EWATER+ and PREMIST bowl-cleaning technology, the seamless seat design that eliminates grime-collecting edges, four user memory presets versus the JX2’s basic settings, and a brand reputation forged over decades of building some of the world’s most reliable bathroom fixtures.

My honest call: If you want a premium bidet seat experience and $500 is your ceiling, the Alpha JX2 is arguably the best bidet available at that price point — full stop. But if you’re renovating a bathroom, want a complete luxury experience with auto-everything, and the price doesn’t make you wince too hard, the S7A is a different class of product entirely. The two aren’t really competing; they’re serving different buyers.

Recommended Reading: Alpha JX2 Bidet Toilet Seat: Every Feature Explained

Recommended Reading: Eco Nova Bidet Seat Review: Is This the Best Luxury Bidet Under $700?

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The Real Cons — What Aiden Didn’t Love

The remote doesn’t match the product. For a $2,000 bidet seat, the remote control feels like an afterthought. It’s light, a little plasticky, and several reviewers noted the same thing independently. Competing seats at lower price points offer remotes with more premium feel. It’s not a functional problem — the buttons work, the layout is logical — but you do notice the mismatch every time you pick it up.

The contemporary seat shape isn’t universally comfortable. TOTO’s current flagship uses a “contemporary” sculpted seat design with a slightly curved profile. For most users, this is fine. For users with a flatter physique who don’t carry much natural cushioning, the contoured shape can create pressure points during extended sits. The classic version of the seat (same washlet features, different seat shape) is a better choice if you’re uncertain. This isn’t something most people will experience, but it’s worth knowing before you buy.

Overnight cleaning cycles are audible. The EWATER+ system runs cleaning cycles through the night to maintain nozzle hygiene. If your bathroom shares a wall with a bedroom, or if you’re a light sleeper, the intermittent sounds can be noticeable. The good news: you can disable the overnight cycle. The mild inconvenience: you have to know to look for that setting.

Seat alignment can drift slightly. Due to the rubber grommet mounting system, the seat can occasionally shift off-centre over time and require manual realignment. Minor, but something to be aware of during long-term ownership.

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Who Should Buy This — And Who Shouldn’t

Buy this if: You’re renovating a bathroom and want the full premium experience from day one. You have multiple regular users in the household (the four user presets earn their worth quickly). You’ve used quality bidets before — in Japan, in luxury hotels — and you want that at home. You appreciate technology that genuinely reduces maintenance effort. You’re comfortable spending at the high end of a product category once, rather than making incremental upgrades.

Think carefully before buying if: You have a noticeably larger or flatter body frame and prioritise seat comfort above features — the classic seat variant is worth considering. You want a bidet seat primarily for basic hygiene improvement and don’t need auto-lid, EWATER+, or multi-user memory. If that’s you, the Alpha JX2 at a quarter of the price will likely satisfy you completely and then some.

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Final Verdict

The TOTO Washlet S7A is, without much competition, the most feature-complete bidet seat available at its price point. The EWATER+ self-cleaning system is genuinely effective, the instant warm water is consistently excellent, and the auto open/close lid — dismissible as unnecessary luxury on paper — becomes one of those daily-use features you simply don’t want to go without once you’ve had it.

Is it perfect? No. The remote could be better. The contemporary seat shape doesn’t work for everyone. And paying $2,000 for a toilet seat requires a certain philosophical relationship with home improvement spending.

But if you’re in the market for a luxury bidet seat and you want the Japanese bathroom experience without booking a flight to Tokyo, this is the product that delivers it. Thoroughly, reliably, and with a lid that opens before you even reach for it.

→ Check current pricing and availability for the TOTO Washlet S7A at authorised retailers.

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