Dometic 400 Gravity Flush Toilet
Essential 400 Tall Gravity Flush Plastic Round Toilet with Soft-Close Seat, Foot Pedal Operation
Compact fit. Stronger build. Greater comfort.
Universal 2-bolt mount and 7.625” rough-in fit to replace any Dometic or competitor toilet
Stronger by Design
Tested to 2x front load of leading competitors and 150K flush cycles for lasting durability
Maintenance Made Simple
Common parts all DIY replaceable, no-tool seal replacement and easy-clean compact hinge
Prevent Leaks and Odor Buildup
Redesigned sealing and sonic-welded water valve prevents internal leakage and cross-contamination
Comfort Comes Standard
Deep bowls, soft-close lids with detent hold, and a quieter flush for a better experience
Powerful Spray Flush
Spray flush engineered to deliver full bowl coverage with less water for a clean, efficient flush
- Full-size round plastic seat
- Compact 17.75" depth saves space
- Holds 2X front load of leading competitor
- Gravity spray flush with sealed design
- Soft-close lid with detent hold
- Residential chair-height seating
- Easy-clean compact hinge
- Universal 2-bolt mount fits 7.625"+ rough-ins
- Tool-free ball seal replacement
- Reinforced valve; 2-year warranty
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Installation & Operating Manual
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Short Operating Manual
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Product Leaflet
One Platform. Multiple Options.
Built on a unified platform, the Dometic 400 Series enables seamless installations and unrestricted upgrades. Choose heavy-duty plastic or premium porcelain, round or elongated bowls—the 400, 410, and 420 share a universal footprint with a compact rear profile and 7–5/8" rough-in.
Simplified Installation & Service.
With a standard 7–5/8" rough-in, universal 2-bolt mount, and tool-free seal replacement, the 400 Series is engineered for quick production installs to reduce service labor. Modular, tool-free parts reduce complexity to help streamline builds and warranty claims, while simplifying toilet upgrades and service for technicians and owners.
Proven Performance, Assembled in the USA.
Each model is tested to withstand 150,000 flush cycles and 2X competitor weight load capacity, reducing claims and ensuring reliability on the road. Assembled in the USA, the 400 Series delivers consistent quality, faster supply, and reliable performance.
Compact Fit. Stronger Build. Greater Comfort.
Built to simplify RV installs and future upgrades, the Dometic Essential 400 delivers big performance in a lightweight design. Its all-plastic round bowl is gravity-flush powered and tested to hold 2X the front load the weight of leading competitors offering porcelain-like strength without the added weight. A compact 17.75" rear profile frees up valuable floor space, while the standard 7–5/8" rough-in and universal 2-bolt mount allow for fast, no-hassle installs. A spray-style flush improves bowl coverage, and a soft-close lid adds comfort without noise. With tool-free servicing and upgradeable compatibility across the 400 Series, the Essential 400 is a smart, durable solution for tight bathroom layouts.














