The Sun-Mar Centrex 3000 is an extra-high capacity unit designed for very heavy cottage use or heavy residential use. The Centrex 3000 is an electric unit for those with a constant electric supply. All Sun-Mar composting toilets incorporate a patented Bio-drum which ensures fast and odorless decomposition. Saves thousands of gallons of water, while recycling waste into soil. The unit is shipped fully assembled. A one pint flush toilet is required for use with this unit (sold separately). Seasonal capacity: 9 adults or families of 11. Residential use: 6 adults or families of 8. Other optional configurations available for this system include: 1) Waterless operation: This configuration requires the separate purchase of the Sun-Mar Dry toilet and the Sun-Mar A/F Waterless kit 2) Dual electric and non-electric operation: This configuration requires the separate purchase of the Sun-Mar AC/DC kit.
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.
5 adults or families of 7
8 adults or families of 10
Electricals 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
1" Drains (Required or Optional Hookup)
Unit Height & Depth
28" by 27"
Unit Width & Width Required to Turn
45 1/2" by 49"
Product Weight/Shipping Weight
Shipping Carton Dimensions (W by L by H)
28 1/2" by 60 1/2" by 36"
Depth Required to Remove Drawer
Height to Bottom - Top of Waste Inlet Assembly
27 3/4 - 33"
Vent Inlet Center Distance From Rear - Left Side
24" - 37 3/4"
Waste Inlet Diameter (including flange)
Height to Center of Top of Vent Outlet Assembly