Description
Coway New Premium Bidet (BA-42A) At a Glance
Key Features
Replaceable Deodorizing Filter
It uses a replaceable deodorizing filter that manages bathroom odors. Since the filter can be swapped out, it's easy to keep deodorizing performance consistent.
Water Shield: Post-Use Bowl Care
After use, it automatically sprays the bowl to help prevent buildup. A feature that takes the hassle out of everyday toilet cleaning.
i-Wave System: 3-Step Custom Water Flow
A new water-flow system with 3 adjustable pressure levels, so you can choose a gentle, comfortable clean matched to your preference and situation.
Remote Cover Control & Night Light
Open and close the cover easily with the remote, and a soft night light makes nighttime bathroom visits convenient even in the dark.
Specifications
| Model | BA-42A |
|---|---|
| Product Type | Remote-Controlled Premium Bidet |
| Round Dimensions (W×D×H) | 20 × 19.8 × 5.9 inches |
| Elongated Dimensions (W×D×H) | 20 × 21.1 × 5.9 inches |
| Weight | Round about 13.9 lb / Elongated about 14.3 lb |
| Rated Voltage | 120V ~ 60Hz |
| Water Pressure Range | 0.1MPa ~ 0.68MPa |
| Key Features | i-Wave 3-step water flow · Water Shield · 4-level warm-air drying · remote cover control · night light |
| Filter | Mesh Filter · Deodorization Filter |
| Color / Certifications | White / cETL · IPX5 |
Filters & Maintenance
| Filter | Care & Replacement | Price |
|---|---|---|
| Mesh Filter | Clean regularly based on soiling | — |
| Deodorization Filter | Replaceable / replacement interval not listed on official sales page | $20* |
* The Coway USA Filters Shop sells the BA-42/BAS-42 deodorizing filter for $20. The BA-42A product page confirms a replaceable deodorizing filter, but BA-42A is not directly listed as a compatible model on that filter's sales page — we recommend confirming compatibility before ordering.
Rental & Purchase Pricing
| Plan | Price | Service |
|---|---|---|
| 6-Year Rental | $27.99 / month | In-Home Maintenance |
| 5-Year Rental | $29.99 / month | In-Home Maintenance |
| 3-Year Rental | $34.99 / month | In-Home Maintenance |
| One Pay | $999 | Purchase terms apply |
Rental promotions May change monthly. Check currently available offers.
View This Month's Promotions →Standard rates confirmed September 2026; tax is additional. Please confirm actual pricing and service terms during consultation or ordering.
Recommended For
You want bathroom odor management too
A good fit for households that want a bidet plus bathroom odor management, thanks to the replaceable deodorizing filter.
You want fine control over cleansing strength
Adjustable to your personal taste with i-Wave 3-step water pressure plus cleansing strength and water temperature controls.
You want remote and nighttime convenience
Suits bathrooms that prioritize convenience — remote cover open/close, soft closing, and a night light.
Frequently Asked Questions
What are the BA-42A's key features?
Key features include the replaceable deodorizing filter, Water Shield that sprays the bowl after use, the i-Wave water-flow system with 3 pressure levels, and remote cover control with a night light.
What is the i-Wave system?
A water-flow system that adjusts cleansing pressure across 3 levels, designed for a more comfortable clean matched to your preference and situation.
Does it clean the bowl after use?
Yes. The Water Shield automatically sprays the bowl after use to help prevent buildup.
Is the deodorizing filter replaceable?
Yes — the BA-42A uses a replaceable deodorizing filter. The Coway USA Filters Shop sells the BA-42/BAS-42 deodorizing filter for $20; we recommend confirming the current filter's compatibility before ordering the BA-42A.
Can I adjust the drying temperature and wash settings?
Yes. It supports 4-level warm-air drying, and cleansing strength and water temperature are also adjustable to your taste.
What are the Round and Elongated dimensions?
Per official sales materials, the Round is 20 × 19.8 × 5.9 inches and the Elongated is 20 × 21.1 × 5.9 inches (W×D×H).
How much are the rental and one-time purchase prices?
Standard rental rates are $27.99/mo for 6 years, $29.99/mo for 5 years, and $34.99/mo for 3 years; the one-time purchase price is $999. Tax is additional, and actual pricing may vary with promotions.
Does rental include maintenance service?
Rental customers receive Coway's scheduled in-home maintenance per their contract terms. Please confirm actual visit frequency and service coverage when applying.
Recent Installation Areas
These are areas where customers have had this product installed. Only cities are shown to protect customer privacy.
- Granada Hills, CA
- Hercules, CA
- Cerritos, CA
- Las Vegas, NV
- Ontario, CA
- Whittier, CA
- Los Angeles, CA
- Jersey city, NJ
- Anaheim, CA
- Torrance, CA
- Astoria, NY
- Jersey City, NJ
- CA
- NV
- NJ
- NY
