Instead of using water to flush urine away, a waterless urinal uses a simple gravity flow system. It prevents odor by means of a trap containing a low-specific gravity fluid called Blue Seal“. The fluid lets the urine through and prevents its smell from rising back into the restroom. Additionally, the urinal is coated with a water repellent surface to shed urine and prevent odor. The freestanding public restroom at Bayview and the mens room at Bayview Hall both use waterless urinals.



SUSTAINABLE FOR THE EARTH

• Conserves water
  
• Reduces sewage production
• Improved hygiene (no moisture for bacteria)

SUSTAINABLE FOR THE WALLET

• Less septic tank pumping
  
• Cost comparable to conventional ($500±)
  
• Eliminates water/sewer costs
  
• Reduced maintenance—no calcium deposits
• Adding Blue Seal only regular expense

How does it work?
The waterless urinal functions entirely on gravity flow using absolutely no water. It connects only to a 2” drain line as it does not require a water supply or flush valve. Urine flows into the "EcoTrap" drain insert where it passes through a floating layer of the Blue Seal liquid. The liquid forms a barrier to prevent sewer vapors from escaping. The urine beneath the barrier overflows into a central tube where it runs down the conventional drain line.

What about maintenance?
Blue Seal must be added in three ounce portions every 1500 uses. The "EcoTrap" should be replaced between one and six times per year. Maintenance is quite simple compared to conventional systems which might develop flush valve problems, encrustations, plugged drains, overflows, etc.

What does it cost?
The waterless urinal ends up costing approximately $1 per thousand uses, where a conventional urinal (3 gallon flush) can cost up to $18 per thousand uses.