Description
Thetford Porta Potti 550P MSD Portable Toilet | Boat Supply Store
This self-contained sanitation system addresses critical onboard needs where traditional plumbing is absent, particularly on smaller vessels or during extended excursions. Featuring a 4.0-gallon freshwater tank and a 5.5-gallon wastewater tank, it delivers approximately 56 flushes per full freshwater fill, ensuring extended usability. The USCG approved Type I MSD designation signifies compliance for discharge in regulated waters, making it suitable for use on the waters of Corpus Christi Bay or offshore fishing trips.
Key Features
- Refreshed modern appearance for enhanced aesthetics
- Cleaner seat and cover design for improved hygiene
- More-ergonomic carrying handle for simplified transport
- Lid latch now standard for secure closure
- Redesigned valve handle, fill cap, and pump for superior functionality
- Industry-leading performance synonymous with Thetford durability
- Separate fresh and waste-water tanks for efficient operation
- MSD version, USCG approved as a Type I Marine Sanitation Device
Specifications
| Product Specifications | |
|---|---|
| Fresh Water Tank Capacity | 4.0 gallons |
| Waste Water Tank Capacity | 5.5 gallons |
| Average Flushes per Fresh Tank | 56 |
| MSD Version | Yes |
Who This Is For
Boaters, RVers, and campers requiring a reliable, self-contained sanitation solution for locations lacking traditional plumbing infrastructure. This unit is ideal for those who prioritize portability and compliance with marine discharge regulations.
How It Compares
| Feature | Thetford Porta Potti 550P MSD Portable Toilet | Thetford Porta Potti 365 |
|---|---|---|
| Fresh Water Tank Capacity | 4.0 gallons | 2.6 gallons |
| Waste Water Tank Capacity | 5.5 gallons | 2.6 gallons |
| Average Flushes per Fresh Tank | 56 | approx. 50 |
| Design Updates | Refreshed, modern appearance, improved handle, lid latch, valve handle, fill cap, pump | Standard design |
| MSD Version | Yes | No |
Common Concerns Answered
Does the Thetford Porta Potti 550P MSD require special chemicals?
Yes, for optimal performance and effective odor control, specific portable toilet chemicals designed for use with holding tanks are recommended. These are typically available separately to maintain sanitation standards.
Can I use this MSD model if I previously owned a pour-out spout model?
No, the MSD (Marine Sanitation Device) version of the Thetford Porta Potti 550P is not interchangeable with older pour-out spout models. It is designed for compliance with specific marine discharge regulations.
Is the Thetford Porta Potti 550P MSD easy to store in compact spaces?
While portable, the 550P can be bulky for very small storage spaces due to its robust design and tank capacities. Careful consideration of available stowage is advised.
Frequently Asked Questions
What is the capacity of the fresh water tank on the Thetford Porta Potti 550P MSD?
The fresh water tank capacity is 4.0 gallons.
What is the capacity of the waste water tank on the Thetford Porta Potti 550P MSD?
The waste water tank capacity is 5.5 gallons.
How many flushes can I expect from the Thetford Porta Potti 550P MSD on a full fresh water tank?
You can expect approximately 56 flushes per fresh water tank fill.
What does MSD stand for on the Thetford Porta Potti 550P MSD?
MSD stands for Marine Sanitation Device, indicating its compliance with USCG regulations as a Type I device for marine use.
What are the key design updates on the Thetford Porta Potti 550P MSD compared to previous models?
The 550P features a refreshed, modern appearance, a cleaner seat and cover design, a more-ergonomic carrying handle, a standard lid latch, and redesigned valve handle, fill cap, and pump for enhanced user-friendliness.
