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Composting Toilets home
Sun-Mar self contained toilets
Sun-Mar "Centrex"
centralized composting toilet systems
Sun-Mar options & accessories
Composting toilet Frequently Asked Questions (FAQs)
2007-08
Brochure in PDF format
very informative (only 3 mg)
Solar water pumping
Renewable energy products
Propane appliances
Energy efficient appliances
Click on any of the pictures
through out the site for a larger view in a new window.
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The Centrex 3000 series high capacity centralized composting toilet
systems feature an autoflow design where as the drum rotates, the
compost moves automatically through the drum and then drops into a
separate collection chamber at the end of the unit.
These high capacity central composting systems are rated up to 11
family members for weekend and vacation use and 8 members for
continuous usage (usage can be doubled for short periods of time).
Like the rest of the Centrex series, multiple toilets can be used as
capacities are rated by number of people and not the number of
toilets.
Centrex 3000 - Flush,
Electric Features:
(Shown with optional toilet model 510)

Centrex 3000 |
- 1 pint flush style, electric unit
- 6 adults - 8 family members continuous usage
- 9 adults - 11 family members weekend/vacation
- For applications where continuous 115 volt is
available
- 35 watt turbo fan
- 370W/115V thermostatically controlled heater
- 2" vent stack
- 1" drain (required)
- 71"W x 27 1/2"D x 30 1/4"H
- Toilets can be located up to 20' away using
standard 3" waste pipe
- Requires 1 pint flush toilet model 510 or 511
including mounting flange ($352)
- $2045 (plus shipping)
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Centrex 3000 AF - Electric, Water
Free Features:
(Shown with required dry toilet) |

Centrex
3000 AF |
- No water, electric unit
- 5 adults - 7 family members continuous usage
- 8 adults - 10 family members weekend/vacation
- For applications where continuous 115 volt is
available
- 35 watt turbo fan
- 370W/115V thermostatically controlled heater
- 2" vent stack
- 1" drain (optional)
- 71"W x 27 1/2"D x 30 1/4"H
- Ideal for locations where water is not available
or where minimal environmental impact is desired
- Unit requires being located directly below
toilet
- Requires Sun-Mar dry toilet & kit ($295)
- $2145 (plus shipping)
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Centrex 3000 NE - Flush,
Non-electric Features:
(Shown with optional toilet model 510) |
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Centrex
3000 NE |
- 1 pint flush, non-electric unit
- 5 adults - 7 family members continuous usage
- 8 adults - 10 family members weekend/vacation
- 4" vent stack
- 1" drain (required)
- 71"W x 27 1/2"D x 29 1/4"H
- Can locate toilets up to 20' away using standard
3" waste pipe
- Optional 2.4W/12V DC vent fan available
- Requires 1 pint flush toilet model 510 or 511
including mounting flange ($352)
- $1845 (plus shipping)
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Centrex 3000 AF NE - Waterless,
Non-electric Features:
(Shown with required dry toilet) |
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Centrex
2000 AF NE |
- no water and no electricity needed
- 5 adults - 7 family members continuous usage
- 7 adults - 9 family members weekend/vacation
- 4" vent stack
- 1" drain (required)
- 71"W x 27 1/2"D x 29 1/4"H
- Optional 2.4W/12V DC vent fan available
- Ideal for locations where water is not available
or where minimal environmental impact is desired
- Unit requires being located directly below
toilet
- Requires Sun-Mar dry toilet & kit ($295)
- $1945 (plus shipping)
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Centrex 3000 AC/DC Features: |
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Centrex
3000 AC/DC |
Basically, this
unit contains all the options of all the units above and
is available in a 1 pint flush model for $2145 or no
flush, non-water model for $2245 (toilet and shipping
not included). Capacities are the same as the
above models whose features will be used (i.e. flush vs
non-flush, AC with heater vs DC without, etc.). |
For available toilet options click here.
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