Gerber Plumbing RV, Boat & Marine Toilets
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Gerber Viper Two-Piece Compact Elongated 1.28 GPF Toilet
Gerber Avalanche Two-Piece Elongated 1.28 GPF Comfort Height Toilet
Gerber Maxwell Two-Piece Round-Front 1.6 GPF Toilet
Gerber Plumbing RV, Boat & Marine Toilets: buyer's guide
Gerber Plumbing offers 4 rv & marine toilets models in the lineup we track. This page is the Gerber Plumbing-specific cut of the broader RV, Boat & Marine Toilets toilets category — same product class, narrowed to the Gerber Plumbing catalog only.
About Gerber Plumbing
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.
Gerber Plumbing RV, Boat & Marine Toilets models we track
- Gerber Wicker Park One-Piece Elongated 1.28 GPF Designer Toilet (21-318) — Gerber Wicker Park — premium one-piece designer toilet with skirted-trapway styling. Gerber's lone designer SKU at $340-$460.
- Gerber Viper Two-Piece Compact Elongated 1.28 GPF Toilet (21-014) — Gerber Viper — compact-elongated bowl with ViPER flush at sub-$250. Tight-bathroom WaterSense Comfort Height with commercial-grade evacuation.
- Gerber Avalanche Two-Piece Elongated 1.28 GPF Comfort Height Toilet (21-808) — Gerber Avalanche — the brand's mainstream WaterSense flagship. Commercial-residential bridge build at $210-$290 with best-in-class plumber-channel reputation.
- Gerber Maxwell Two-Piece Round-Front 1.6 GPF Toilet (21-712) — Gerber Maxwell — 1.6 GPF round-front for pre-1980 housing replacement. Commercial-grade evacuation in legacy form factor.
Other RV & Marine toilets brands
If you're cross-shopping rv & marine toilets beyond Gerber Plumbing, the following brands also ship in this category:
- Kohler RV & Marine
- TOTO RV & Marine
- American Standard RV & Marine
- Niagara RV & Marine
- Eljer RV & Marine
- Swiss Madison RV & Marine
- Woodbridge RV & Marine
- Delta RV & Marine
About RV, Boat & Marine Toilets toilets
RV and marine toilets are a separate engineering category from residential — they operate without a sewer connection, dispose to portable holding tanks (cassettes) that you empty at dump stations, and have to function on the limited 12-volt power available in mobile applications. Brands and product lines are entirely different from residential.
- Cassette toilets (volume RV market): permanent bowl mounted to the floor; below it sits a removable plastic holding tank ("cassette") that slides out for emptying. Dometic, Thetford, and Camco own the segment. ~$200–$700 installed in an RV.
- Macerating marine toilets: the toilet grinds waste and pumps it overboard or to a holding tank. Used on yachts, sailboats, and housebo...
For the complete rv & marine buyer's guide (all brands, full comparison framework), see the RV, Boat & Marine Toilets category hub.
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