Description
Coway Slim Water Softener (BB-14BUS) At a Glance
* Based on manufacturer specs: about 160 gallons per regeneration with 300 ppm feed water. Actual performance and regeneration frequency may vary with water quality and usage.
Key Features
Ultra-Slim Design That Fits Tight Bathrooms
The 7.5-inch-deep slim body keeps installation easy even in tight bathrooms. It stands on its own for simple placement.
Softer Water for Showers and Face Washing
Switches hard water to soft for showers and face washing. A good fit for households that want a gentler feel on skin and hair.
Vitamin PLUS Composite Filter
Designed to reduce residual chlorine in water with the Vitamin PLUS composite filter. The CowayCA product page lists 99% residual chlorine removal per manufacturer specs.
Easy Regeneration in About 15 Minutes
Simply turn the dial to start regeneration, then back to Reset when done. Regeneration frequency may vary with water usage and feed-water hardness.
Switch Between Soft and Hard Water as Needed
Adjust the diverter valve by use — soft water for face washing and showers, hard water for laundry and other cleaning — so you use soft water efficiently.
Specifications
| Model | BB-14BUS |
|---|---|
| Product Type | Slim Home Water Softener |
| Installation | Freestanding |
| Dimensions (W×D×H) | 11.2 × 7.5 × 19.7 inches |
| Softening Capacity | About 160 gallons per regeneration (at 300 ppm) |
| Regeneration | Manual dial · about 15 minutes |
| Water Selection | Soft / hard water selectable |
| Main Components | Vitamin PLUS composite filter · ion-exchange resin · regeneration salt |
| Color | White |
Filter & Salt Replacement Schedule
| Consumable | Recommended Replacement | Official Price |
|---|---|---|
| Water Softener Filter BB-09AUS / BB-14AUS |
Monthly | $6 each |
| Water Softener Salt 1 bag for BB-14AUS |
3 bags every 2 months | $12 per bag |
Based on the Coway USA official Water Softener Shop as of September 2026. The product page and official sales page link the BB-14BUS to consumables labeled BB-14AUS. Actual replacement timing may vary with usage and feed-water hardness, and prices are subject to change.
Rental & Purchase Pricing
| Plan | Price | Service |
|---|---|---|
| 6-Year Rental | $43.99 / month | In-Home Maintenance |
| 5-Year Rental | $49.99 / month | In-Home Maintenance |
| 3-Year Rental | $53.99 / month | In-Home Maintenance |
| One Pay | $999 | Purchase terms apply |
Rental and purchase promotions May vary by period. Check currently available offers.
View This Month's Promotions →Standard rates are shown. Coway USA may run limited-time one-time-purchase discounts — please confirm the actual price when ordering.
Recommended For
Your bathroom is short on space
The 7.5-inch-deep slim body makes efficient use of space in bathrooms where a big softener won't fit.
You want soft water for showers and face washing
A good fit for households that want a gentler feel on skin and hair in hard-water areas.
You only want soft water when you need it
Switch directly between soft and hard water to use each efficiently — soft for face washing and showers, hard for laundry.
Frequently Asked Questions
What is the BB-14BUS?
The Coway BB-14BUS is a slim water softener designed for tight spaces like bathrooms. You can switch between soft and hard water as needed.
How much can I use per regeneration?
Per manufacturer specs, one regeneration delivers about 160 gallons at 300 ppm. Actual regeneration frequency may vary with usage and feed-water hardness.
How long does regeneration take?
The manufacturer says simple operation completes regeneration in about 15 minutes. Actual frequency may vary with water usage and conditions.
How often should I replace the filter and salt?
Per Coway USA official sales guidance, the Water Softener Filter is recommended monthly, and regeneration salt is 3 bags every 2 months.
How much are the filter and salt?
Per the Coway USA official sales page as of September 2026, the Water Softener Filter is $6 each and Water Softener Salt for BB-14AUS is $12 per bag.
Can I choose between soft and hard water?
Yes. The diverter valve lets you choose soft water for face washing and showers and hard water for laundry and other uses.
What are the product dimensions?
It measures 11.2 inches wide × 7.5 inches deep × 19.7 inches tall and installs freestanding.
How much are the rental and purchase prices?
Standard rental rates are $43.99/mo for 6 years, $49.99/mo for 5 years, and $53.99/mo for 3 years; the standard one-time price is $999. Actual price may vary with promotions and tax.
Recent Installation Areas
These are areas where customers have had this product installed. Only cities are shown to protect customer privacy.
- Corona, CA
- Pasadena, CA
- Harbor City, CA
- Moungtain Lakes, NJ
- Houston, TX
- Buena Park, CA
- San Antonio, TX
- Jersey City, NJ
- Los Angeles, CA
- CA
- NJ
- TX
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