Toto Washlet S5 vs Toto Washlet KS6

Toto

Toto Washlet S5

$649

4.7★ (20)

Toto

$500

4.7★ (45)

Quick take: The Toto Washlet KS6 costs $149 less.

✓Four user presets on the remote (up from two on the old C5) store position, pressure, and temperatures per person — the single best shared-bathroom feature at this price
✓Instantaneous heating ends the C5's notorious 35-45-second warm-water window; wash for five minutes straight and it never runs cold
✓Gained a bowl-illuminating night light the C5 never had — genuinely useful at 3 a.m. and one less reason to pay up for the S7 tier
✓EWATER+ sanitizes the wand with electrolyzed water before and after each use, and PREMIST keeps the bowl slick so waste doesn't stick
✓Heated seat spans 82-97°F across five settings, and the seamless seat molding has no crevice seam for grime to collect in — a real cleaning-day upgrade over the C5
✓Warm-air dryer adjusts 95-140°F — a wider, hotter range than the Brondell Swash 1400's famously tepid dryer
✓Slim wall-mountable remote with illuminated touchpad replaces the C5's chunky wand — easier for guests to decode mid-visit
✓Elongated and round versions in Cotton White plus a Sedona Beige elongated option — the channel-exclusive KS6 twin comes in white-elongated only

✗You're paying roughly $300 over the S2 for a remote and presets — the wash hardware underneath is otherwise identical
✗Several early owners note the seat sits tall with a slight forward slope ('feels like it's pushing you forward'), a byproduct of the 7.4-inch rear housing
✗The 1,271-watt draw needs a dedicated GFCI within reach of the 3.93-ft cord, and TOTO's manual warns against extension cords
✗The dryer, though adjustable, is still TOTO-gentle: plan on 1-2 minutes or a courtesy dab of paper where a Bio Bidet BB-2000 finishes in about 40 seconds
✗One-year warranty on a $650 seat, while Brondell backs the cheaper Swash 1400 for three years
✗Round version comes only in Cotton White, and mounting the remote bracket means two anchors in your drywall — renters take note
✗New-for-2025 platform means clearance C5s flood the used market at ~$300 — tempting, but that's buying into the known cold-water-window complaint
✗MSRP is $780 and 'sale' pricing is perpetual — legitimate street price floats $570-670, so treat anything near list as a ripoff

✓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