The AquaSanTec WonderLoo is a urine diverting dry toilet.
The AquaSanTec WonderLoo is a plastic urine diverting dry toilet made in Kampala by AquaSanTec. Urine is led via a pipe to a separate container while the feces are stored in a bucket inside the toilet. The toilet can also be used as a pedestal over a pit.
The target region is East Africa with Uganda and Kenya as the main target markets.
AquaSanTec produces the toilet and have distributors nationwide in Uganda. Kentainers sells the product in Kenya.
~16 USD (1,700 KES). Converted using 1 USD = 110.20 KES
Goal 6: Clean water and sanitation
Households without access to a sewer system and where water is scarce. Households using a pit as the backend and wish to upgrade from a cement slab toilet. AquaSanTec promotes it as suitable for elderly, physically challenged, pregnant women, children, and the sick.
Crestanks has a 150,000 sqft factory in Kampala where they produce their products including the WonderLoo. The factory has 150 permanent staff. The plastic seat and pipe for urine are ordered separately and then mounted by Crestanks.Interview with manufacturer
Patented by Crestanks.Interview with manufacturer
The product can be ordered from AquaSanTec’s website.
The WonderLoo has been distributed in Uganda and Kenya.Interview with manufacturer
Type of toilet
Method of evacuation
How the fecal sludge is stored
The holding volume of the containment
Time until emptying is estimated to be needed
The WonderLoo is constructed with a plastic pipe for urine separation and a 22 L bucket for storing faeces accompanies the Wonderloo. The plastic bucket is placed inside the WonderLoo and lifted out to empty when it is full. The urine pipe is lead to a separate storage container.
The pedestal can be placed in any bathroom since it has internal storage. When it is full the bucket inside the WonderLoo is lifted out and emptied. The urine is connected to a separate storage tank. The separated faeces and urine can then be used as soil amendment and/or fertilizer. It is also possible to place the Wonderloo above an open pit. It is also recommended to add ash in the bucket after defecation to make the faeces dry faster and reduce smell.Interview with manufacturer
The Crestank products are manufactured to require minimal maintenance. Installation instructions and product schematics are offered by the manufacturer.
Available from Crestank factory
The product is expected to have a lifespan of 30 years.
Crestanks has produced the pedestal to be a “long-term, affordable, and sustainable toilet system for every household”. It should reduce smell and be suitable for the elderly.Interview with manufacturer
No third-party testing
Separation of urine and faeces makes handling the waste easier and reduces the risk of contact with pathogens. Since the bucket has to be lifted out of the toilet there is a risk for contact with the excreta.
Container for storage of urine and compost for treatment of faeces.
The manufacturer has evaluated the product according to affordability, robustness, and user friendliness.
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