5/23/16. © Frugal Hotspot
*SALE UPDATE* 3/22/25.
The WaterRidge One-Piece Elongated Toilet from Costco is ADA height compliant which can also be beneficial for seniors or really tall people. A nice bonus is that mounting hardware is included.
The WaterRidge One-Piece Elongated Toilet is WaterSense certified and has a powerful flush using less water (averages about 1.2 gallons). Another great feature is the slow-close seat that is slip-free and elongated.
Costco’s Price and Sale Dates
*SALE UPDATE* 3/22/25.
The WaterRidge One-Piece Elongated Toilet is on sale at select Costco locations for $139.99, through March 31, 2025. That is $30 off Costco’s regular price of $169.99. While supplies last. Prices, inventory, and sale dates may vary by location and may change at any time without notice. To see if your local Costco carries this item, give them a call and ask about Item #1718618.

Toilet Features
- Superior flushing performance (Rated 1000g, maximum rating for flushing waste)
- Powerful flush with less water
- CleanBowl Siphon Jet Technology
- Water Sense certified
- Slow close, elongated seat
- Overall Dimensions: 15.3″ W x 27.5″ D x 28.1″ H (38.9 cm W x 70 cm D x 71.4 cm H)
- Seat Height: 17″ (43.2 cm)
PREVIOUS MODEL Costco Item #918020:






