Bio Bidet BB-500

Model BB-500 (7ZBB500E 000)

Warm wateryes
Needs an outletyes
Heated seatyes

Bio Bidet's current entry-level electric seat, launched in late 2023 as the spiritual successor to the BB-600. The headline trick is an instant heater with unlimited warm water inside an ultra-slim 3.5-inch body — a combo that usually costs $300+. Everything runs from a single multi-function side knob: turn for pressure, press to cycle rear, front, turbo, and massage washes. A BB-550 sibling adds a warm-air dryer for about $30 more.

Approx. price

~$199

Best for First-time electric buyers who want endless warm water and a heated seat under $200 without learning a remote

We may earn a commission. Price and availability on Amazon’s site may differ from the snapshot above.

Specifications

Water heating: Tankless (Instant Heat)
Controls: Control Dial
Toilet fit: Elongated only
Power: Needs GFCI outlet within 4 ft
Spray pressure: Adjustable knob pressure
Nozzle: Dual self-cleaning nozzles
Install: 20-30 min DIY
Warranty: 1-year full

Features

Warm wateryes
Heated seatyes
Warm air dryerno
Wireless remoteno
Night lightyes
Deodorizerno
Self-cleaning nozzleyes
Feminine washyes

Unlimited Warm Water
Ultra-Slim Body
One-Knob Simplicity

What owners like

+Instant heater means warm water never runs out — at $199 that undercuts every tank-heater rival like the SmartBidet SB-1000 that goes cold in ~30 seconds
+At roughly 3.5 inches it's one of the lowest-profile electric seats sold, closer to a normal toilet seat than the tall wedge look of the BB-1000 or USPA 6800U
+Single knob control is genuinely elderly- and guest-proof: turn for pressure, press to switch washes — no remote to lose or misread
+Dedicated front/feminine wash plus turbo and massage modes, coverage the similarly priced Toto Washlet A2 charges more for
+Mechanical backup lets you keep washing (ambient temperature) during a power outage — rare at any price
+Dual self-cleaning nozzles rinse before and after each use, and owners note less splatter buildup than single-wand budget seats

Common complaints

−No dryer at all — Bio Bidet reserves it for the $229 BB-550, so budget for TP either way
−Instant heater runs warm, not hot: multiple Amazon reviewers say max temperature is 'pleasantly tepid,' noticeably cooler than the BB-2000's hybrid system
−Elongated only, with no round version even planned
−No deodorizer, no remote, no user presets — the knob resets to whatever the last person dialed in
−Spray pressure is modest — fine for daily use, but forum pressure-chasers call it a step down from the BB-1000's firehose
−Some early units developed clicking valves or dead heaters inside a year, a recurring theme in owner reviews
−1-year warranty feels thin for a seat you hope lasts five, and Bemis support requires the original receipt

Questions buyers ask

How hot does the water actually get?

Warm, not hot — multiple Amazon reviewers describe the max as 'pleasantly tepid,' noticeably cooler than the BB-2000's hybrid system. The upside is it never runs out, since the instant heater has no tank to drain.

Is there a dryer?

No — Bio Bidet reserves the dryer for the $229 BB-550, so budget for toilet paper either way. At $199 the BB-500's pitch is endless warm water and a heated seat, not the full comfort stack.

Is it simple enough for elderly parents or guests?

That's its best trick — a single knob controls everything: turn for pressure, press to switch washes, no remote to lose or misread. The catch is no user presets, so the knob sits wherever the last person dialed it.

What happens during a power outage?

A mechanical backup lets you keep washing at ambient water temperature — rare at any price for an electric seat. You lose the heat, not the function.

Does it come in a round-bowl size?

No — elongated only, with no round version even planned. Round-bowl households should look at the HD-7000R or Brondell's SE400 instead.

Compare the Bio Bidet BB-500

vs Bemis Renew Wash vs Bio Bidet HD-5000 vs Bio Bidet HD-7000

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