Baños Dometic para vehículos recreativos

What is the difference between the Dometic 320 and 420 toilets?

The Dometic 320 is a gravity-flush RV toilet with a porcelain bowl and a foot pedal flush. It is the most common Dometic replacement model in this collection. When you compare the 320 against the 420 or any other Dometic series, three specs decide fit: bowl height (standard or low profile), base footprint over your floor flange, and flush mechanism. Each listing in this collection gives height and footprint dimensions. Before ordering, measure your existing toilet and the distance from the back wall to the center of the floor flange, then match those numbers to the listing.

Will a Dometic 320 RV toilet fit my existing floor flange?

In most RVs, yes. The Dometic 320 mounts to a standard 3" RV floor flange with two closet bolts, so it replaces most gravity-flush RV toilets, including many Thetford models, without floor modifications. Before ordering, confirm the distance from the wall to the center of your flange and where your water supply line sits relative to the water valve on the back of the toilet. Replace the floor flange seal during the swap, because a reused seal is a common cause of odor and leaks after installation. Text or call 817-984-1852 with your current toilet model and we'll confirm the fit.

Should I choose a porcelain or plastic Dometic RV toilet?

A porcelain bowl resists scratches and stains better than plastic, holds less odor over time, and cleans like a residential toilet. The trade-off is weight. A porcelain toilet is heavier, which matters on a lighter travel trailer running close to its cargo limit. Porcelain can also crack if water freezes in the bowl, so drain the bowl and add RV antifreeze before storage. Winterize the toilet in the same pass as your Dometic 6 gallon RV water heater so no part of the freshwater system holds water through a freeze.

Why is my Dometic toilet leaking, and which part should I replace?

Where the water shows up tells you which part failed. Water at the base points to a worn floor flange seal. A drip from the back usually means a cracked water valve, often caused by freezing. Water that drains out of the bowl between flushes means the flush ball seal is no longer sealing. These parts are series-specific, so check the model number on your toilet's label before ordering. A water valve that cracked over winter also signals that the rest of your freshwater system may have frozen. Inspect your water heater tank and fittings, and if the tank is damaged, compare replacements in our 10 gallon RV water heaters collection.