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The Dometic 975 MSD is a full-size portable marine toilet designed for boats, RVs, and marine applications where permanent plumbing isn't available. This self-contained sanitation system features a 5-gallon holding tank with integrated level indicator, making it ideal for extended trips on the water or as a backup toilet solution. The durable gray construction resists marine environments while the sealed valve system prevents odors between uses.
Key Features
- Full-Size Comfort: Standard height seat provides residential-style comfort in a portable marine toilet
- 5-Gallon Holding Tank: Large capacity reduces the frequency of emptying, ideal for extended use
- Integrated Level Indicator: Visual gauge shows when the holding tank needs to be emptied
- Sealed Valve System: Prevents odors and leaks when toilet is not in use
- Marine-Grade Construction: Durable gray polyethylene resists corrosion and UV damage in marine environments
- Easy Pour Spout: Rotating pour spout with cap makes emptying at pump-out stations simple and sanitary
Technical Specifications
| Part Number | 9108552692 |
| Color | Gray |
| Holding Tank Capacity | 5 Gallons (19 Liters) |
| Flush Type | Piston Pump (Manual) |
| Seat Height | Standard (Full-Size) |
| Material | High-Density Polyethylene |
| Application | Marine, RV, Camping |
Frequently Asked Questions
How do I know when the holding tank is full?
The Dometic 975 MSD features an integrated level indicator on the holding tank that provides a visual gauge of the waste level. When the indicator shows the tank is approaching full capacity, it's time to empty it at a designated pump-out station or approved disposal facility.
What chemicals should I use with this portable toilet?
Use marine-grade holding tank treatments specifically designed for portable toilets. These chemicals help break down waste, control odors, and keep the seals lubricated. Avoid harsh household chemicals that can damage the seals and valves. Add treatment chemicals to the holding tank after each emptying.
How do I empty and clean the holding tank?
Detach the holding tank from the toilet base by releasing the latches. Carry it to a designated dump station or marine pump-out facility. Remove the pour spout cap, rotate the spout to the open position, and pour contents into the disposal point. Rinse the tank with fresh water, add holding tank treatment, and reattach to the toilet base.
Can this toilet be permanently installed or is it portable only?
The Dometic 975 MSD is designed as a portable toilet and does not require permanent installation. However, you can secure it in place using optional mounting brackets if you want to prevent movement while underway. The portable design allows you to easily remove the holding tank for emptying without tools.
Why Choose Elkhart RV Parts?
When you need genuine Dometic marine sanitation parts, Elkhart RV Parts is your trusted source. We specialize in hard-to-find Dometic replacement parts and complete systems, shipping fast from Elkhart, Indiana — the RV capital of the world. Every part we sell is a genuine OEM component, ensuring perfect fit and reliable performance. Our team of RV and marine sanitation experts is here to help you find exactly what you need.
✓ Genuine Dometic OEM Parts
✓ Fast Shipping from Elkhart, Indiana
✓ Expert Support for Marine Sanitation Systems
| Brand | Dometic |
|---|---|
| Model | 975 MSD |
| Product type | Portable Toilet |
| Color | Gray |
| Part number | 9108552692 |
| Sanitation type | Marine Sanitation Device (MSD) |
| Width | 13.5" |
| Depth | 15.5" |
| Height | 16.5" |
| Weight | 14 lbs |
| Key features | Odor-sealing valveLarge-capacity holding tankPortable |
| Use cases | RVsBoatsCamping |
| Condition | New |
| Part type | OEM |
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Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.