The Thetford Porta Potti 335 with Hold Down Kit is a compact portable toilet for boats, caravans and motorhomes. Its small size makes it a practical choice when space is limited, while the included hold down kit lets you secure it to the floor and release it with one simple action.

Whether you are spending time on the water or travelling in your motorhome, the Porta Potti 335 brings a convenient toilet within reach. A manual piston pump handles flushing, and separate 10-litre flush-water and waste-holding tanks keep its key specifications straightforward.

Key features

• Hold down kit included: secures the toilet to the floor, with a simple release action.
• Manual piston-pump flush: operates by hand.
• Waste tank level indicator: helps you monitor the waste-holding tank.
• Integrated pour-out spout: provides a dedicated outlet for emptying the waste tank.
• Integrated cover lock: keeps the cover secured.
• White finish and compact design: suitable for space-conscious boat, caravan and motorhome layouts.
• Refreshed design with improved valve handle, waste-tank carry handle and seating comfort.

Specifications

• Brand: Thetford
• Model: Porta Potti 335
• Flush-water tank capacity: 10 litres
• Waste-holding tank capacity: 10 litres
• Flushing system: manual piston pump
• Dimensions (height × width × depth): 313 × 342 × 382
• Seating height: 308 mm
• Net weight: 3.3 kg
• Flush-water tank level indicator: no
• Waste-holding tank level indicator: yes
• Comfort class: 4/5
• Size: small
• Colour: white

Frequently asked questions

Does the Porta Potti 335 include a hold down kit?

Yes. This version includes a hold down kit for securing the toilet to the floor. The toilet can be released with one simple action.

Is it suitable for boats, caravans and motorhomes?

Yes. Its compact design is suitable for these uses. Check the available space and seating height against the specifications before ordering.

What are the tank capacities?

The flush-water tank and waste-holding tank each have a capacity of 10 litres.

Does it have a tank level indicator?

It has a waste-holding tank level indicator, but no flush-water tank level indicator.