Gerber Plumbing offers 4 gravity flush toilets models in the lineup we track. This page is the Gerber Plumbing-specific cut of the broader Gravity-Flush Toilets toilets category — same product class, narrowed to the Gerber Plumbing catalog only.
Gerber Plumbing Fixtures (Lincolnshire, Illinois — a subsidiary of Globe Union Industrial since 2007) has supplied US tract-builder bathrooms since 1932. Lines include Maxwell, Viper, Avalanche, Allerton, and Wicker Park. Gerber's niche is the entry-to-mid commercial spec range: 1.28 GPF or 1.6 GPF gravity toilets, ADA chair-height available throughout, and a parts supply chain that plumbers actually keep in their truck for flush-valve and fill-valve rebuilds.
For the complete Gerber Plumbing lineup across all sub-types and capacities, see the Gerber Plumbing Toilets hub.
If you're cross-shopping gravity flush toilets beyond Gerber Plumbing, the following brands also ship in this category:
Gravity flush is the default residential toilet mechanism in the US. Water stored in the tank drops into the bowl via gravity (with the help of a flush valve at the bottom) when you press the handle, creating a siphonic flow that empties the bowl through the trapway. It's the engineering used in 95%+ of US residential toilets, including every major brand's volume models.
The flush sequence:
For the complete gravity flush buyer's guide (all brands, full comparison framework), see the Gravity-Flush Toilets category hub.
Explore Gerber Plumbing from other angles: