Sterling offers 7 pressure-assist toilets models in the lineup we track. This page is the Sterling-specific cut of the broader Pressure-Assist Toilets toilets category — same product class, narrowed to the Sterling catalog only.
Sterling is a Kohler Company subsidiary brand (acquired by Kohler in 1984), positioned as the volume tract-builder and value-residential plumbing line. Manufactured in Wisconsin alongside Kohler products but engineered to a different price point — Sterling toilets, faucets, and showers are stocked at Home Depot and Lowes as the "Kohler-quality without the Kohler price" alternative. The toilet line includes the Stinson, Karsten, and Riverton series — primarily two-piece elongated 1.28 GPF models for new-construction spec houses.
For the complete Sterling lineup across all sub-types and capacities, see the Sterling Toilets hub.
If you're cross-shopping pressure-assist toilets beyond Sterling, the following brands also ship in this category:
A pressure-assist toilet has a sealed inner tank (Flushmate is the dominant brand) that holds water under air pressure from your house supply line. When you flush, the pressurized water releases at much higher velocity than gravity — making it the strongest-flushing toilet category by a meaningful margin. It's the format you'll find in older commercial restrooms, RV parks, ski lodges, and the homes of people who really, really don't want clogs.
Inside the porcelain tank that you can see, there's a sealed plastic pressure vessel (Flushmate Series 503 is the workhorse). As water fills it from your supply line, the trapped air inside compresses to roughly 25–40 PSI. Press the flush button, a valve opens at the bottom of the vessel, and the water shoot...
For the complete pressure-assist buyer's guide (all brands, full comparison framework), see the Pressure-Assist Toilets category hub.
Explore Sterling from other angles: