Product Description
Sun-Mar Excel NE Self-Contained Composting Toilet
The success of the Excel design meant that a three chamber unit could be specifically designed for those with NO continuous 110 volt supply. First launched in 1981, the Excel NE has long been the standard toilet for those living off the grid. A 1998 redesign gave the unit a rounded look, and recessed the drum handle.
The Excel NE has no fan or heater. Odorless operation is achieved by a 4" vent mounted at the top rear of the unit which acts like a chimney on a wood stove. For good air movement the vent should be installed vertically and to 2-3 feet above the peak of the roof.
The optional 12 Volt Fan should be installed if you need to install the toilet with any bends in the vent. No more than 2 45° bends are encouraged, even with the fan.
If the Excel NE is used residentially or heavily, or is in a place which is subject to downdraft, the optional 12 volt fan should be installed in the vent stack. This fan draws 1.4 watts and can be powered by a solar panel and 12 volt marine battery.
Evaporating capacity on the Excel NE is variable, so the 1" drain at the rear should be connected to an approved drain pit, container, or other facility.
How Composting Works
Composting is Nature's Way
Every living organism consumes nutrients and creates waste. To transform waste back to nutrients and complete this cycle, nature uses the processes of decompostition and evaporation.
Sun-Mar toilets are designed not only to harness these natural processes, but to optimize and accelerate them.
Toilet waste is over 90% water content. This can be evaporated and the small amount of remaining material is recycled into a useful fertilizing soil.
Sun-Mar units are economical, quick to install and easy to use and because no chemicals nor septic systems are used, fragile environments can be protected.
A Sun-Mar composting unit is an environmentally healthy choice for recycling human waste.
And there's no smell!
The Sun-Mar system evaporates excess liquid and by continuously pulling air in it ensures no smell escapes from the unit.
ENVIRONMENTAL BENEFITS
By using a Sun-Mar composting toilet you are doing your environment a huge favor.
- You are protecting your lake and ground water from being polluted by pathogens and nutrients
- You are saving huge amounts of water
- You are recycling the nutrients directly back to the plants they came from.
