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The SUN-MAR Centrex 1000 Central Composting System

The key to the success of the CENTREX 1000 lies in its three chamber design. Each
of the three chambers; patented Bio-drum, compost finishing drawer, and evaporation
chamber, have their own independent environments for optimum efficiency.
The CENTREX 1000 electric version has a thermostatically controlled heater and fan
assembly to help evaporate liquid and should be used where there is a constant
electrical supply. The CENTREX 1000 NE (non-electric) version is for use where there
is no continuous electric supply. The CENTREX 1000 NE has no fan or heater.
Odorless operation is achieved by a 4” vent which acts like a chimney creating a partial
vacuum within the unit.

The Patented Bio-Drum
Unique to Sun-Mar, the patented bio-drum provides the necessary mass to maintain
good compost and allows easy aeration of the compost by simply turning the drum.
Excess liquid will exit through a screen in the bottom of the drum into the evaporation
chamber. Mixing the Bio-drum is accomplished by rotating the handle in a clock-wise
direction. Compost is removed from the drum by pulling out the white drum lock button
(below the handle) and rotating the handle in a counter clock-wise direction.

The Compost Finishing Drawer
The compost finishing drawer sits in an opening in the front of the unit. Compost in the
drawer is isolated from mixing with new waste while resting for 4 weeks so that it can
finish composting.

The Evaporation Chamber
The evaporation chamber is the floor of the unit
under the compost finishing drawer. This is the
area where any excess liquid will gather for
evaporation. A safety drain exits from the left
side of the composting toilet which will drain
over-flow liquid that is not evaporated to an
approved facility.

Off Grid And Green
Off Grid And Green


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