Need a Mobile RV Tech Near You?
Connect with certified mobile RV technicians for measurement, installation, or repair — directly through RVService.PRO.
RV Techs
You
Reviewed
Service Too
The Dometic MasterFlush 8740 is a 24V macerator toilet designed for RVs where traditional gravity-drain systems aren't practical. This powerful unit grinds and pumps waste upward to holding tanks located above the toilet, making it ideal for basement or low-profile RV installations. Perfect for Class A, Class B, and Class C motorhomes that need flexible waste management solutions.
Key Features
- 24V DC macerator pump with powerful grinding action
- Bone-colored porcelain bowl matches standard RV décor
- Compact design fits tight bathroom spaces
- Upward pumping capability eliminates gravity-drain limitations
- Durable construction rated for continuous RV use
- Easy-to-service design for routine maintenance
Technical Specifications
| Specification | Details |
|---|---|
| Voltage | 24V DC |
| Model | MasterFlush 8740 |
| Color | Bone |
| Type | Macerator Toilet |
| Part Number | 9600012039 |
Frequently Asked Questions
- What's the difference between a macerator toilet and a standard RV toilet?
- A standard RV toilet relies on gravity to drain waste into a holding tank below. A macerator toilet grinds waste and actively pumps it upward, allowing the holding tank to be positioned above the toilet. This gives you flexibility in RV layouts and works well in low-profile or basement-mounted installations.
- Will this toilet work with my existing 24V RV electrical system?
- Yes, the MasterFlush 8740 operates on 24V DC power, which is standard in most motorhomes. Verify your RV's electrical system is 24V before installation. If your RV runs on 12V, you'll need a converter or a different model.
- How often does the macerator pump need maintenance?
- The MasterFlush 8740 is designed for minimal maintenance. Regularly flush the system with water and avoid putting non-biodegradable items down the toilet. Check the pump annually for debris buildup, and replace the seals if you notice leaks. Dometic provides service kits for routine upkeep.
Why Choose Elkhart RV Parts
We specialize in hard-to-find Dometic replacement parts for RVs. Shipping directly from Elkhart, Indiana—the RV capital of the world—we stock genuine OEM Dometic components and provide expert support to help you find the exact part you need. Whether you're replacing a worn-out toilet or upgrading your waste system, our team is here to help.
| Brand | Dometic |
|---|---|
| Model | MasterFlush 8740 |
| Product type | Macerator Toilet |
| Voltage | 24V |
| Color | Bone |
| Width | 15.50 in |
| Depth | 23.50 in |
| Height | 21.50 in |
| Weight | 46.25 lbs |
| Country of origin | USA |
| Application | RV and Marine |
| Key features | Macerator technologyCompact designQuiet operationPowerful flush |
| Category tags | RV PartsSanitationOEM PartNew Arrival |
Need a Mobile RV Tech Near You?
Connect with certified mobile RV technicians for measurement, installation, or repair — directly through RVService.PRO.
RV Techs
You
Reviewed
Service Too
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.