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Composting Toilet Selection Guide


Self-Contained Units

  Model Capacity for
Residential &
Continuous Use*
Capacity for
Weekend &
Vacation Use*
Water? Electric?
Composting Toilet Excel 3 Adults or
Family of 5
6 Adults or
Family of 8
Waterless Electric
Composting Toilet Excel NE 2 Adults or
Family of 3
5 Adults or
Family of 7
Waterless Non-Electric
Composting Toilet Excel AC/DC Electric: 3 Adults
or Family of 5

Non-Electric:
2 Adults or
Family of 3
Electric: 6 Adults
or Family of 8

Non-Electric:
5 Adults or
Family of 7
Waterless Combination
Electric (AC) or
Non-Electric (DC)
Unit
Composting Toilet Compact 1 Adult 3 Adults or
Family of 4
Waterless Electric
Composting Toilet Spacesaver 1 Adult 3 Adults or
Family of 4
Waterless Electric
Composting Toilet Mobile
(For use on
Boats & RV's)
1 Adult 3 Adults or
Family of 4
Waterless Your choice of
Electric (AC) or
Non-Electric (DC)
Unit
*Family numbers include both adults and small children.




Central Systems

  Model Residential or
Continuous Use Capacity*
Weekend or
Vacation Use
Capacity*
Water? Electric? Type of Toilet
Needed
Is More Than 1 Toilet Possible?
Composting Toilet Centrex 1000 Not
Recommended
5 Adults or
Family of 7
Water Flush Electric Model 510+
or
Model 511+
Yes
Composting Toilet Centrex 1000 NE Not
Recommended
4 Adults or
Family of 6
Water Flush Non-Electric Model 510+
or
Model 511+
Yes
Composting Toilet Centrex 1000 AC/DC Not
Recommended
Electric: 5 Adults
or Family of 7

Non-Electric:
4 Adults or
Family of 6
Water Flush Combination
Electric (AC) or
Non-Electric (DC)
Unit
Model 510+
or
Model 511+
Yes
Composting Toilet Centrex 2000 4 Adults or
Family of 6
7 Adults or
Family of 9
Water Flush Electric Model 510+
or
Model 511+
Yes
Composting Toilet Centrex 2000 NE 3 Adults or
Family of 5
6 Adults or
Family of 8
Water Flush Non-Electric Model 510+
or
Model 511+
Yes
Composting Toilet Centrex 2000 AC/DC Electric: 4 Adults
or Family of 6

Non-Electric:
3 Adults or
Family of 5
Electric: 7 Adults
or Family of 9

Non-Electric:
6 Adults or
Family of 8
Water Flush Combination
Electric (AC) or
Non-Electric (DC)
Unit
Model 510+
or
Model 511+
Yes
Composting Toilet Centrex 2000 AF 4 Adults or
Family of 6
6 Adults or
Family of 8
Waterless Electric Dry Toilet No
Composting Toilet Centrex 2000 AF NE 3 Adults or
Family of 5
5 Adults or
Family of 7
Waterless Non-Electric Dry Toilet No
Composting Toilet Centrex 2000 AF AC/DC Electric: 4 Adults
or Family of 6

Non-Electric:
3 Adults or
Family of 5
Electric: 6 Adults
or Family of 8

Non-Electric:
5 Adults or
Family of 7
Waterless Combination
Electric (AC) or
Non-Electric (DC)
Unit
Dry Toilet No
Composting Toilet Centrex 3000 6 Adults or
Family of 8
9 Adults or
Family of 11
Water Flush Electric Model 510+
or
Model 511+
Yes
Composting Toilet Centrex 3000 NE 5 Adults or
Family of 7
8 Adults or
Family of 10
Water Flush Non-Electric Model 510+
or
Model 511+
Yes
Composting Toilet Centrex 3000 AC/DC Electric: 6 Adults
or Family of 8

Non-Electric:
5 Adults or
Family of 7
Electric: 9 Adults
or Family of 11

Non-Electric:
8 Adults or
Family of 10
Water Flush Combination
Electric (AC) or
Non-Electric (DC)
Unit
Model 510+
or
Model 511+
Yes
Composting Toilet Centrex 3000 AF 5 Adults or
Family of 7
8 Adults or
Family of 10
Waterless Electric Dry Toilet No
Composting Toilet Centrex 3000 AF NE 5 Adults or
Family of 7
7 Adults or
Family of 9
Waterless Non-Electric Dry Toilet No
Composting Toilet Centrex 3000 AF AC/DC Electric: 5 Adults
or Family of 7

Non-Electric:
5 Adults or
Family of 7
Electric: 8 Adults
or Family of 10

Non-Electric:
7 Adults or
Family of 9
Waterless Combination
Electric (AC) or
Non-Electric (DC)
Unit
Dry Toilet No
*Family numbers include both adults and small children.