Best Flushing Toilets
Difference between Dometic 300, 310 and 320 Toilet

Dometic 300 vs. 310 vs. 320 Toilet: Which is Best for Use?

Difference between Dometic 300, 310 and 320 ToiletSomeone who wants to use a toilet with an exceptional outlook may choose the Dometic toilet brand. It is such a brand that has a collection of outstanding toilets with a great appearance. Dometic is a Swedish company. It is a famous brand as a manufacturer of a variety of products for marine and recreational vehicles and industries. The toilet is one of the most popular products that Dometic has been manufacturing for many years. So in this article, we will compare the top 3 toilet models: Dometic 300, Dometic 310, and Dometic 320.

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Summary of content

Technical Specification of Dometic 300, 310, and 320 Toilet

Features Dometic 300 Dometic 310 Dometic 320
Dimensions: 19.25 x 15 x 20 inches 19 x 15 x 20 inches 27 x 20.5 x 25 inches
Weight: 7.38 Pounds 23.5 pounds 36 pounds
Material: Polypropylene, Plastic Wood, Ceramic, Plastic Wood, Ceramic
Bowl Shape:   Oblong Oblong Elongated
Seat Material Type: Polypropylene Plastic Wood
Slow-close seat: No No Yes
Flushing: Powerful triple-jet action flush Foot-pedal flushing Foot-pedal flushing
Rim: Yes No Yes
Price:  Check Price Check Price Check Price

Similarities among Dometic 300, 310, and 320

  1. Both of the three toilets have a foot-pedal flushing system. 
  2. Every toilet includes a two-bolt installation. 
  3. Each toilet has the same colors. They are white and bone. 
  4. Both 300, 310, and 320 use gravity flush technology. 

Dometic 300 vs. 310 vs. 320: Key Differences

Dometic is a famous manufacturer of RV toilets. It has durable and attractive products to fulfill the public’s demand. Moreover, Dometic’s various products are available to satisfy consumers’ tastes. Now, we are presenting the differences between Dometic 300, 310, and 320 to show you the specific characteristics of the toilets. Mainly, the differences help us to select the best one for use.  Dometic 300 vs. 310 vs. 320 Toilets


It is crucial to consider the material quality before purchasing a good toilet. The Dometic 300 uses plastic. So, it is less durable. On the other hand, Dometic 310 and Dometic 320 use ceramic and polypropylene to manufacture their toilets.

Bowl Shape

The Dometic 300 and 310 are available in oblong shapes. It means a flat shape with four sides and four angles of 900. There is an equal length on every opposite side of the toilet surface. The Dometic 320 is a different one. It has an elongated shape. This shape is close to the circular shape, which is commonly used in most toilets.


An elongated seat is trendy among toilet users. The oblong seats of Dometic 300 and 310 are less prevalent. Instead, people prioritize elongated toilet seats for their proper comfort.

Dimensions and Size

Dometic 300, 310, and 320 are from the same brand, but their dimensions are different. The Dometic 300 is 19.75 ×16 ×13.5 inches. On the other hand, the Dometic 310 is 19 × 15 × 20 inches. The Dometic 320 is the largest and is 22 × 14.75 × 19.75 inches in size (suitable for larger bathrooms). Significantly, Dometic 300 is the lowest one in height. It is suitable for babies but not for the elderly or disabled.

Flushing System

Although Dometic 3000, 310, and 320 have gravity flushing technology with hygienic foot pedals, they have some differences also.

The Dometic 310 has a vortex flush pattern. It is a very effective flush that uses rimless 3600 flushing technology. On the other hand, the 320 has a full-rim flush. The flushing technology of Dometic 320 is pressurized to create an effective flush. It uses less water, but the flush remains effective.

The Dometic 300 also has an efficient flushing technology. But, it uses only one pint per flush of water. It has a water-efficient, powerful, and clean flush. It also has a triple jet action flush that thoroughly cleans the waste that is hard to remove.

Compare Weight

Weight is a fact for every product that determines its ease of moving. When you set up a new toilet at home, you must consider the carrying capacity. The Dometic 300 is the lightest product among the three. The tiny toilet weighs only 7.38 pounds. So, it is easy to carry and take home for adjustment. The Dometic 310 weighs 23.5 pounds. The Dometic 320 is the heaviest one, and it weighs 36 pounds.

Generally, the Dometic 300 toilet suits children. It can carry their weight, and it can also be suitable for them.

Price Comparison

A price always depends on the material, manufacturing cost, sustainability, and others. The Dometic is the latest one, and its price is around $420.38. The Dometic 300 has the lowest price. It is available for $215.31. The Dometic 310 is $303.27. So, the latest one deserves the best because of its incredible features.

Final Recommendation: Which is The Best?

The Dometic 320 is the largest one in size. Its weight is also higher than the Dometic 300 and 310. So, it is suitable in larger washrooms, which can offer many places to set a commode.

On the other hand, the Dometic 300 toilet is a compact toilet suitable for small washrooms. So, if the large elongated bowls can not be fixed in your bathroom and you must purchase a smaller one or use it for your babies, you may prioritize Dometic 300.

The Dometic 320 is the tallest and most prominent, so it is appropriate for those tall users. They feel comfortable on this toilet and use it easily.

According to the materials used, Dometic 300 is less durable. It uses plastic. So, Dometic 310 and 320 would be better as they are made from ceramic and polypropylene.

The Dometic 300 is lightweight, and the Dometic 320 is heavier. So, the 36-pound Dometic 320 is hard to carry. But, the heaviest material proves that it will be the most sustainable despite being hard to set up.

Although the Dometic 320 is the priciest set among the three, it has some exceptional features. The Dometic 300 is the oldest and has the lowest utility. So, the Dometic 320 can be suggested as the best option for use.


Hi, I am Jose S. Franz. Currently, I am working as a professional plumber, and our team offers various plumbing services at an affordable price. After my college education, I completed a vocational certification course in plumbing systems and worked with several construction companies. Since then, I have fixed lots of different toilet models, from older to the latest versions. So I have more than 22 years of experience installing plumbing systems and toilets in both residential and commercial buildings.

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