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Sun-Mar Centrex 1000 Non-Electric Central Composting Toilet

NLR - Sun-Mar Spacesaver Self-Contained Composting Toilet


Out of Stock


The SPACESAVER is a standard three chamber unit designed specifically for situations where space is extremely limited. With a width of only 19" and depth of 22", even a closet or small corner can now be turned into a bathroom! The SPACESAVER is fitted with the same kind of high quality turbo-fan as other electric units have. The SPACESAVER has almost the same size Bio-drum as the COMPACT, so composting capacity is similar to that of the Compact. On the other hand, evaporation is limited by the smaller heater and evaporating surface, so the safety drains should be connected. Click here for more information on handling excess liquid.


  • Electric Unit
  • Medium Capacity 


  • White 

Composting Capacity 

  • 1 Residential
  • 3-4 Weekend and Vacation Use
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) 1 adults or families of 2
Seasonal/Vacation (Adults/Families) 3 adults or families of 4
Electricals must be connected while the unit is in AC use for proper operation
Maximum Amps (With Heater On) 1.2
Fan Watts (Required or Optional Hookup) 35 Required
Heater Watts (When Thermostat switches it on) 160
Average Power Use in Watts (Heater on 1/2 time) 110
Vent & Drains
Vent Pipe 2" PVC Thinwall
Drains (Required or Optional Hookup) 1" Drain, Required Use
Weights (Lbs.) & Dimensions
Product Weight/Shipping Weight 40-75
Shipping Carton Dimensions (W by L by H) 22" by 29" by 37"
Depth Required to Remove Drawer 38"
Vent outlet center distance from right side 7"
Height to center of vent 27 3/4"
Unit Height/Width/Depth 30" by 19 1/2" by 23"

This product is shipped from one of our warehouses in Northern California. Orders placed after 12 p.m. will typically ship the following business day. Click here to see an estimate of our delivery times with standard FedEx Ground shipping.

Returns & Replacements
Regularly stocked, non-special-ordered, and non-custom-built items can be returned for a refund within 30 days of receipt if unused and in original packaging. Returns of solar panels, inverters or other large ticket items will incur a re-stocking fee of up to 30%. Freight shipping is non-refundable.

For more, please read our full return policy.

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