Updated on December 19, 2023


Created on July 22, 2017

Ecodry Urine-Diverting Dry Toilet

Upcoming Update

The Ecodry Urine-Diverting Dry Toilet is a water saving and recycling toilet.

Developed By
  1. Wostman
Content Partners


Product Description

The Ecodry Urine diverting dry toilet is a toilet made to reuse waste and reduce water consumption mainly targeted towards holiday houses. It is made of porcelain to give the appearance of a traditional toilet, be easier to clean, and have a longer lifetime. It is marketed as a hygienic, easy to install and use, environmental friendly alternative for holiday houses, but can also be implemented in permanent residences.

Target SDGs

SDG 6: Clean Water and Sanitation

Market Suggested Retail Price


Target Users (Target Impact Group)

Household, Small and Medium-sized Enterprises

Distributors / Implementing Organizations

Wostman has distributers worldwide and the Ecodry urine diverting toilet can be bought from retailers in several countries and online. Examples of web retailers are Avloppscenter, Bygghemma, WasteWaterCenter, and Ecotechproducts.

Manufacturing/Building Method

Mass produced in a toilet factory. Mainly the porcelain is manufactured in China, and the rest of components and installation of toilets are made in Sweden. Some components, to make a complete system, have to be purchased seperately by the user. In this way, the customer can adjust their system to their own preferences; such components are available from Wostman.

Intellectural Property Type


User Provision Model

The Ecodry toilets are bought directly by the user from retail stores or ordered online.

Distributions to Date Status

The toilet has over 10,000 sales.

Toilet type


Evacuation method


Storage conditions

Container storage

Capacity (L)

100 L

Time until emptying

~0.25 year

Design Specifications

The Ecodry urine diverting dry toilet is made of porcelain. It is 450 mm high, 395 mm wide and 580 mm deep. There is a premounted watertrap in the urinehole and a 75 mm long and 19 mm in diameter premounted urine hose. The waterpipe is stainless with a flexible R15 and 8 AA batteries are included and premounted to run the fan. The toilet seat is made from plastic. The complementary Ecodry Box has a capacity of 100 liters. A barrel of 80 liters normally lasts about 3 months for a family of 4. Emptying of the ecodry box hence has to be done 1-4 times per year. A big garbage bag is suitable to place in the box. The urine can be mixed with water (25% urine and 75% water) and applied to plants as a fertilizer. The feces are stored for about 3 months during which they are dried and when emptied the contents of the Ecodry box of 100 liters weighs 10-20 kg. The contents can then be moved to a composting unit for composting. The toilet is installed over a container and the urine hose is connected to a container for the urine. A 200 mm pipe connects the toilet with the feces container. A fan reduces odour and makes the waste dry faster so that pathogens are reduced. If desired, water can be connected to the toilet so that a small flush can be made in the bowl. If not, a small cup of water can be applied now-and-then to reduce the risk of urine odour and crystallization of urine in the urine hose.

Product Schematics

Technical Support

The product comes with a manual, there is a support page on the Wostman website and Wostman offers direct phone support. Technical support can also be found at the retailers.

Replacement Components

The smaller components attached to the pedestal can normally be found in retail stores. An example of a piece that can break and is replacable by Wostman or a retailer is a solenoid valve in the back of the toilet.


The toilet has a 2-year warranty. Porcelain is not recyclable but has a longer lifetime than plastic toilets.

Manufacturer Specified Performance Parameters

The manufacturer states "remains fresh after many years of use", "eco-friendly", "odourless", "maximal comfort and hygiene" and "easy and logical to use and install" as targets for their product.

Vetted Performance Status

All accessories and spare parts are CE certified which means that they meet standards regarding health, safety, functionality and environment.


There are no direct safety concerns regarding this product. The biggest risk is contamination with excreta when emptying containers.

Complementary Technical Systems

The toilet can be complemented by the Ecodry box storage container for storage of the faeces. It is suitable to place a big garbage bag in the box. There are some components that the user has to procure to make the system complete and adapt it to his/her own preferences. These are containers for faeces and urine, a 200 mm drop pipe, a 50mm urine pipe, and ventilation pipes of minimum 75 mm in diameter.

Academic Research and References

Goal 6. Available: https://sdgs.un.org/goals/goal6

Compliance with regulations

Yes, the toilets are in accordance with regulations for the markets they are targeting.

Evaluation methods

The manufacturer cites eco-friendliness, user friendliness, odour removal, and appealing design as important criteria in their evaluation of the product.

Other Information

This page includes a variety of documents related to the product. Contact info and a map with retailers is found here. Further design specifications and explanations of functionality are found in this document. Examples of web retailers are Avloppscenter, Bygghemma, WasteWaterCenter, and Ecotechproducts.  

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