The Sun-Mar Excel electric self-contained composting toilet sets the standard for water conservation and waste recycling. This waterless high-capacity commode saves thousands of gallons of water and incorporates a patented Bio-drum to facilitate quick, odorless decomposition. It has an electronically powered fan to expel odors and a thermostatically controlled heater to help evaporate liquids. Ease of operation, reliability and well-proven technology make this commode one of the stalwarts in the composting toilet category.
Listed capacities refer to the amount of people, on average, using the unit per day. Do not pick a unit that is below your capacity.
3 adults or families of 5
6 adults or families of 8
Electrical must be connected while the unit is in AC use for proper operation
Maximum Amps (With Heater On)
Fan Watts (Required or Optional Hookup)
Heater Watts (When Thermostat switches it on)
Average Power Use in Watts (Heater on 1/2 time)
2" PVC Thinwall
Drains (Required or Optional Hookup)
1" Drain, Optional for Seasonal/Vac use, Required for Residential/Heavy Use
Product Weight/Shipping Weight
Shipping Carton Dimensions
(W by L by H)28" by 36" by 36"
Depth Required to Remove Drawer
Vent outlet center distance from right side
Height to center of vent
32" by 22 1/2" by 33"