Sterling offers 7 macerating / upflush toilets models in the lineup we track. This page is the Sterling-specific cut of the broader Macerating & Upflush 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 macerating / upflush toilets beyond Sterling, the following brands also ship in this category:
A macerating toilet uses a small electric motor inside a holding tank behind or below the bowl to grind waste into a slurry, then pump that slurry uphill — through a 3/4" or 1" PVC line — to wherever you can tie into an existing soil stack. It's the workaround that lets you add a basement bathroom, garage bathroom, or pool-house bathroom without breaking the concrete slab. The category was effectively created by Saniflo (France, 1958) and they still own ~70% of US sales.
A standard toilet flushes into a 3" or 4" drain line that runs downhill by gravity to a sewer or septic. A macerator replaces that with a sealed plastic box behind the bowl containing a grinder blade and a small pump. When you flush, water and waste enter the box; the grinder activ...
For the complete macerating / upflush buyer's guide (all brands, full comparison framework), see the Macerating & Upflush Toilets category hub.
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