If you’re in the market for an RV toilet, you’ve likely encountered the two most popular options from Dometic: the Dometic 310 and Dometic 320.
These toilets offer excellent durability and performance, but they come with different features designed to cater to distinct needs.
Whether you’re upgrading your current RV toilet or installing one for the first time, this detailed Dometic 310 vs 320 comparison will help you decide which model is the best fit for your RV lifestyle.
Key Differences Between the Dometic 310 and Dometic 320

When it comes to choosing between the Dometic 310 and the Dometic 320, the main differences lie in their flush mechanisms, comfort, and convenience features. Here’s a quick overview to help you understand the key distinctions:
Dometic 310 Features
- Manual Flush System
The Dometic 310 uses a manual foot pedal flush. This offers a traditional, hands-on approach to flushing, which some RV owners prefer for its reliability and simplicity. - Ceramic Bowl
The Dometic 310 features a ceramic bowl, which provides durability and ease of cleaning. It offers a classic feel that many RVers appreciate, especially for long-term use. - Cost-Effective
The Dometic 310 is a great option for RV owners who want a durable, reliable toilet without breaking the bank. It is affordable and easy to maintain.
Dometic 320 Features
- Electric Flush System
Unlike the Dometic 310, the Dometic 320 comes with an electric flush system. This hands-free option is ideal for those who prefer a more modern and effortless flushing experience. - Full-Ceramic Bowl
The Dometic 320 boasts a larger, full-ceramic bowl, offering more space and comfort for long-term use, which makes it a better choice for those seeking extra comfort. - Dual-Jet Flush
The Dometic 320 features a dual-jet flush system, which provides a more powerful and efficient flush. This helps minimize the risk of clogs and ensures a more thorough cleaning with every flush.
Performance: Dometic 310 vs 320 Flush Power and Comfort

When comparing the flush power and comfort of the Dometic 310 and Dometic 320, the 320 definitely takes the lead in terms of convenience and comfort.
Flush Power Comparison: Manual vs. Electric
- Dometic 310: The manual foot pedal flush provides reliable, consistent performance. It requires more effort but gives you complete control over the flush.
- Dometic 320: The electric flush system in the 320 is more powerful, providing a quicker and more thorough clean with less physical effort. For those who prefer convenience and efficiency.the 320 is the clear winner.
Comfort: Size Matters
- Dometic 310: The ceramic bowl in the 310 is comfortable, but it’s smaller compared to the 320. If comfort is a priority, especially on longer trips, the Dometic 310 may feel a bit cramped.
- Dometic 320: The full-ceramic bowl in the 320 is not only larger but also more spacious, offering superior comfort during use. This is particularly beneficial for RVers who spend extended periods in their vehicles.
Maintenance and Repair: How Easy Are They to Maintain?
Both the Dometic 310 and Dometic 320 are easy to maintain, but there are some differences in terms of repair and upkeep.
Dometic 310 Maintenance
With its manual system, the Dometic 310 is easier to repair and maintain, particularly for those who prefer simplicity. There are no electrical components to worry about, which means fewer things can go wrong.
Dometic 320 Maintenance
The Dometic 320 requires a bit more attention due to its electric flush system. While it offers more convenience, the electrical components may need occasional attention or repair.
However, the dual-jet flush system is designed to reduce the likelihood of clogs and enhance performance, making it easier to maintain overall.
Dometic 310 vs 320: Cost Comparison
In terms of price, the Dometic 310 is the more affordable option. It’s a basic, reliable toilet that serves its purpose without added features.
The Dometic 320, with its electric flush system and full-ceramic bowl, is more expensive but offers additional luxury and convenience features that may be worth the investment for those seeking comfort.
Which Toilet Is Right for You: Dometic 310 or Dometic 320?

Choosing between the Dometic 310 and Dometic 320 depends on your needs and preferences. Here’s a breakdown to help you decide:
- Dometic 310: Ideal for RV owners who want a reliable, no-frills toilet that’s easy to maintain and cost-effective. It’s a great choice if you prefer a manual flush and are looking for simplicity.
- Dometic 320: If luxury and convenience are a priority, the Dometic 320 is the better option.
Its electric flush, larger ceramic bowl, and dual-jet flush system provide an enhanced experience, making it perfect for those seeking a more comfortable and modern toilet.
Frequently Asked Questions
1. What is a Dometic toilet 310?
A Dometic 310 is a manual flush RV toilet featuring a ceramic bowl. It’s an easy-to-use, low-maintenance toilet option that is cost-effective for RV owners.
2. How to tell what model Dometic toilet I have?
To identify your Dometic toilet model, check the label located at the back of the toilet or refer to the user manual. You can also look at specific features such as the flush mechanism or the shape of the bowl.
3. Dometic 310 vs 320 specs
The Dometic 310 features a manual flush and a smaller ceramic bowl, while the Dometic 320 has an electric flush with a larger full-ceramic bowl and a dual-jet flush system for more powerful cleaning.
4. Is the Dometic 310 a good toilet?
Yes, the Dometic 310 is a reliable and durable toilet that’s easy to install and maintain. It’s a great option for RV owners who prefer simplicity and are looking for a cost-effective solution.
5. Who wins the flush contest 310 vs 320?
The Dometic 320 wins the flush contest with its electric flush and dual-jet system, providing more powerful and efficient flushing compared to the manual flush system of the Dometic 310.
Choose the Best Toilet for Your RV
When comparing the Dometic 310 vs 320, it’s clear that both toilets offer great features, but your choice depends on what’s most important to you.
If you prefer a simple, low-maintenance toilet and don’t mind using a manual flush, the Dometic 310 is a great choice. However, if you’re looking for more comfort, convenience, and a modern flush system, the Dometic 320 offers a more luxurious experience.
No matter which model you choose, both Dometic RV toilets are durable, reliable, and designed to enhance your RV experience.
