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Sun-Mar Centrex 1000 Central Composting Toilet System

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  • Product Description

    The Centrex 1000 model is ideal for those who have electricity and want a unit for a light seasonal application.

    In light to medium seasonal use the Centrex 1000 is typically able to hold compost for the full season, and compost needs extraction only in the Spring.

    The Centrex 1000 features a 260 watt heater in a sealed compartment under the unit and the standard Sun-Mar 25 watt turbo fan and 2" vent stack to ensure odorless operation.

    All 1000 series units are supplied with a 1" drain hose which should be connected to the 1" drain at the bottom left of the unit. 

    The 1000 series is designed only for use with 1 pint flush toilets (purchased separately).


    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.


    Residential/Continuous (Adults/Families) N/A
    Seasonal/Vacation (Adults/Families) 5 adults or families of 7

    Electricals must be connected while the unit is in AC use for proper operation


    Maximum Amps (With Heater On) 2.5
    Fan Watts (Required or Optional Hookup) 35 Required
    Heater Watts (When Thermostat switches it on) 260
    Average Power Use in Watts (Heater on 1/2 time) 150

    Vent & Drains


    Vent Pipe 2" PVC Thinwall
    1" Drains (Required or Optional Hookup) Required

    Weights (Lbs.) & Dimensions


    Unit Height & Depth 28" by 32 1/2"
    Unit Width & Width Required to Turn 22 1/2" by 24 1/2"
    Product Weight/Shipping Weight 50-95
    Shipping Carton Dimensions (W by L by H) 28" by 35 1/2" by 31 1/2"
    Depth Required to Remove Drawer 46 1/4"
    Height to Bottom - Top of Waste Inlet Assembly 26 1/2 - 29 3/4"
    Vent Inlet Center Distance From Rear - Left Side 17 1/2" - 1 1/2"
    Waste Inlet Diameter (including flange) 3" DMV
    Height to Center of Top of Vent Outlet Assembly 26 1/2"

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