Porta Potti Thetford 345 Portable Toilet — White, Compact 4.0 gal Fresh / 3.2 gal Waste, Piston Flush

The Porta Potti Thetford 345 is a compact, easy-to-use portable toilet with a 4.0-gallon fresh water tank and a 3.2-gallon waste tank designed for reliable sanitation on the road or off-grid.

Whether you’re fitting a small RV bathroom, equipping a boat, stocking an emergency kit or adding convenience to a camper van, the Porta Potti 345 combines efficient flushing, odor control and simple maintenance in a space-saving footprint. Its modern styling and ergonomic handle make transport and storage straightforward, while the rotating pour-out spout and removable seat simplify cleaning and emptying.

How does the Porta Potti 345 manage odors and sanitation?

The 345 uses a sealed valve to lock in waste and reduce unwanted smells, and its piston-style flush clears the bowl efficiently to maintain hygiene between uses. Routine cleaning is straightforward thanks to a removable seat and accessible holding tank.

• Sealed valve prevents odors escaping from the holding tank.
• Piston flush reduces residue and keeps the bowl cleaner after each use.
• Removable seat and cover for thorough cleaning.
• Rotating pour-out spout helps controlled and hygienic emptying.

How easy is it to move and empty the Porta Potti 345?

The unit is built with convenience in mind: a comfortable, ergonomic handle for carrying and a rotating pour-out spout to make emptying the 3.2-gallon waste tank less messy. The two-piece assembly separates quickly for transport or storage and reduces lifting awkward bulk.

• Ergonomic carrying handle for balanced transport.
• Two-piece design splits into freshwater and waste sections.
• Rotating pour-out spout enables controlled discharge.
• Compact dimensions make stowing in tight spaces simple (13" H × 15" W × 16.8" D).

How much water and how many flushes can I expect between refills?

The fresh water tank holds 4.0 gallons and the waste compartment 3.2 gallons, delivering roughly 33 average flushes per full fresh-water fill under normal use. Actual flush count can vary depending on water volume used per flush.

• Fresh water capacity: 4.0 gallons for rinsing and flushing.
• Waste water capacity: 3.2 gallons containing the sealed valve.
• Typical performance: about 33 average flushes per fill.
• Adjustable water per flush affects how often you refill.

What makes this model suitable for different uses like RVing, boating, and camping?

The Thetford 345 balances durability, portability and hygiene features that fit many mobile living situations. Its award-winning pedigree and compact profile let it integrate into RVs, boats, trucks, vans, tiny homes or emergency setups where permanent plumbing isn’t available.

• Compact footprint fits small compartments and tight bathrooms.
• Sturdy construction for vehicle and marine use.
• Easy to clean, empty and maintain during extended trips.
• Versatile for recreational and practical emergency applications.

Who is this for: The Porta Potti Thetford 345 is aimed at travelers, boaters, campers, vanlifers and anyone needing a dependable, portable sanitation solution where plumbing isn’t practical. It’s also useful for temporary healthcare situations, work sites, and emergency preparedness—any scenario that benefits from a compact, easy-to-carry toilet with simple maintenance and effective odor control.