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Sun Mar Centrex 3000 Composting Toilet Systems
Sun-Mar Centrex 3000 Composting Toilet System Three differently sized units, the Centrex 1000 (batch unit), Centrex 2000 ( batch unit) and Centrex 3000 (continuous unit) are available for use with 1 pint flush toilets. We recommend the Sealand toilet, see item #TS11722. The Centrex model selection should be based on both whether the unit is used seasonally or residentially, and the number of people that will be using the unit. Typically, the Centrex 1000 is suitable for light to medium cottage use, the Centrex 2000 for medium to heavy cottage use or light residential use, while the continuous flow Centrex 3000 series is suitable for very heavy cottage use, or medium residential use. As with all units, advertised composting capacities can be doubled for short periods.

All Centrex 3000s are supplied with a 1" drain hose which should be connected to the 1" drain at the bottom left of the unit. Liquid output should be collected or drained into an approved facility.
When used seasonally by adults, compost will normally only need removing annually each spring. In residential use compost will have to be extracted more frequently. When used residentially, some compost will need to be emptied into the finishing drawer once every few months.

All Centrex 3000 electric units feature a 370 watt 120 volt thermostatically controlled heater in a sealed compartment beneath the unit coupled with the standard Sun-Mar 30 watt turbo fan and 2" vent stack. This heater assists in evaporation of liquids, reducing the amount of effluent from the unit. The fan also removes any fresh odors from the unit, ensuring odor-free operation.

The Centrex 3000 utilizes a continuous flow design for very heavy cottage or medium residential use. With a continuous flow system, rotation of the drum moves compost along the larger and longer 3000 series drum, before it drops automatically into the collection housing at the end of the unit. Under normal operating conditions the drum will not have to be turned backwards for emptying.

CENTREX 3000 MODELS:
The CENTREX 3000 has a capacity for 6-8 residential and 9-11 weekend/vacation use.

The CENTREX 3000 NE has a capacity for 5-7 residential or 8-10 weekend/vacation.

The CENTREX 3000 AC/DC has a capacity of 6-8 residential and 9-11 weekend/vacation in AC mode. In DC or NE mode, the capacity is 5-7 residential or 8-10 weekend/vacation. The Centrex 3000 AC/DC features a 370 watt 120 volt thermostatically controlled heater in a sealed compartment beneath the unit coupled with the standard Sun-Mar 30 watt turbo fan and 2" vent stack. The heating system reduces the amount of effluent from the unit, and the fan removes any fresh odors, ensuring odor-free operation.

The Centrex 3000 AC/DC also features a 4" vent stack which may be used to vent the unit when no electricity is present. Included with the unit is a 12 volt 2.4 watt fan that we strongly suggest installing in the vent stack, especially if you need to put a bend in the vent as shown in the diagram.

Manufacturer's specifications and rough-in drawings are available upon request. NSF certified.
Item # Description Price  
AP11717 Sun-Mar Centrex 3000 Composting Toilet System $1,715.00 Add to Cart
AP11716 Sun-Mar Centrex 3000 NE Composting Toilet $1,575.00 Add to Cart
AP11718 Sun-Marr Centrex 3000 AC/DC Composting Toilet System $1,795.00 Add to Cart
Sun-Mar Centrex 3000 Composting Toilet System Sun-Mar Centrex 3000 Composting Toilet System
Sun-Mar Centrex 3000 NE Composting Toilet Sun-Mar Centrex 3000 NE Composting Toilet
Sun-Marr Centrex 3000 AC/DC Composting Toilet System Sun-Marr Centrex 3000 AC/DC Composting Toilet System