Toto Washlet KS6 vs Kohler PureWash E820
Quick take: The Toto Washlet KS6 costs $49 less; the Toto Washlet KS6 heats water via tankless (instant heat) while the Kohler PureWash E820 is hybrid heater.
| Spec | Toto Washlet KS6 | Kohler PureWash E820 |
|---|---|---|
| Price | $500 | $549 |
| Rating | 4.7★ (45) | 4.6★ (500) |
| Type | Electric Bidet Seat | Electric Bidet Seat |
| Water Heating | Tankless (Instant Heat) | Hybrid Heater |
| Controls | Wireless Remote | Wireless Remote |
| Toilet Fit | Elongated only | Elongated only |
| Power | Needs GFCI outlet within 4 ft | Needs dedicated GFCI outlet |
| Spray Pressure | 5 pressure levels | Adjustable water pressure |
| Nozzle | Self-cleaning EWATER+ wand | Stainless wand with UV self-clean |
| Install | 30-45 min DIY | 30-45 min DIY |
| Warm water | Yes | Yes |
| Heated seat | Yes | Yes |
| Warm air dryer | Yes | Yes |
| Wireless remote | Yes | Yes |
| Night light | Yes | Yes |
| Deodorizer | Yes | Yes |
| Self-cleaning nozzle | Yes | Yes |
| Feminine wash | Yes | Yes |
| Warranty | 1-year limited | 1-year limited |
Pros & cons
Toto Washlet KS6
- ✓Feature-for-feature an S5 twin — same remote with four presets, EWATER+, PREMIST, night light, dryer, and deodorizer — at $500 versus the S5's ~$650, making it the best value in TOTO's 2026 lineup
- ✓Replaces the K300, which was selling above $850 as stock dried up — the KS6 launched cheaper than its predecessor ever sold
- ✓This home-center line has been tankless since the K300 debuted in 2021, so the instant-heat platform here has more field history than the rest of the new S-generation
- ✓Home Depot distribution means local stock, easy returns, and price matching — no bidet-specialist shipping wait
- ✓Four-user preset memory matches seats costing twice as much; Brondell's $480 Swash 1400 stores only two profiles
- ✓PREMIST plus EWATER+ maintain both bowl and wand automatically — HD reviewers report visibly less bowl scrubbing within the first week
- ✓Same 82-97°F heated seat and 95-140°F adjustable dryer as the S5, with the seamless one-piece seat surface that wipes clean in a single pass
- ✓Home Depot reviewers repeatedly single out the smooth install: docking bracket, metal tee, and hose fit standard US toilets in about 30 minutes
- ✗Elongated only — round-bowl owners are pushed to the S2 or S5, and TOTO's fit guide is strict: measure the ~18.5-inch bolt-to-rim length before ordering
- ✗Cotton White only, so there's no Sedona Beige to match older colored fixtures
- ✗As a channel-exclusive SKU it gets thin coverage from bidet review sites — there's far less owner troubleshooting lore online than for the S5
- ✗One-year warranty, and TOTO parts are famously dear once it lapses — a replacement remote alone runs about $100
- ✗Same gentle TOTO dryer as every other Washlet: adjustable to 140°F but low airflow, so fully air-drying takes a couple of minutes
- ✗The 1,278-watt instant heater needs its own GFCI within reach of the 3.93-ft cord
- ✗No auto open/close lid or auto-flush hooks at this price — TOTO reserves those for the S7A at roughly 2.5x the cost
- ✗Launched mid-2025, so the Home Depot review base is enthusiastic but shallow (roughly 45 reviews) compared with years of K300 history
Kohler PureWash E820
- ✓Sold and serviced through Home Depot, Lowe's, and Ferguson — if anything goes wrong you're returning it to a store, not shipping to a bidet specialty importer
- ✓Hybrid heating (stored plus on-demand) avoids the hard 30-second warm-water cliff of pure tank rivals like the Bio Bidet BB-1000
- ✓UV light sterilizes the stainless wand automatically, a feature Bio Bidet reserves for its $599 Discovery DLS
- ✓Automatic deodorizer kicks in on sit-down — a feature the pricier Alpha JX2 and Coway 400S both skip
- ✓Retailer aggregate ratings sit around 4.6 stars, with the remote repeatedly praised by reviewers with arthritis and limited mobility
- ✓Five heated-seat temperature settings offer finer control than the three-step seats common at this price
- ✓Quiet-close lid and low-slung styling blend with Kohler toilets — reviewers say it reads 'built-in' rather than aftermarket
- ✓The design is a proven decade-old platform (originally the C3-455), so real-world reliability data actually exists
- ✗Only a 1-year warranty — Kohler backs a $550 electronic seat for a third as long as Alpha (3yr) or the Discovery DLS (5yr)
- ✗The dryer is the weak spot; one Home Depot reviewer scored it '3.5 stars at full price, 5 at a discount' and most still finish with paper
- ✗Elongated bowls only — round-toilet owners are out entirely
- ✗The C3-455-to-PureWash rebrand makes research a mess: identical seats appear under two names and prices at different retailers
- ✗Sitting area runs smaller than the lid suggests; several reviewers were surprised how compact the opening feels
- ✗No user presets on the remote, so couples re-adjust temperature and pressure every visit — table stakes on the Alpha JX2 and Coway 400S
- ✗Spray tops out mild-to-moderate; nobody cross-shopping a Bio Bidet vortex wash will call this strong
- ✗At $540-600 street it's priced against the Discovery DLS and Toto C5, both of which out-feature it on paper