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Centrex 1000 Box Items

Centrex 1000/2000/3000 items

Centrex 2000/3000 AF NE items

Centrex 2000/3000 AF/NE Items


Shipping cartons include (at no extra cost) everything needed to install and operate the unit. The only exception is the 3" plumbing pipe and fittings needed to connect a 1 pint flush toilet to a central composting unit.

Contents of Shipping Carton

  • An Owner's Manual (specific to each unit)
  • Warranty Card
  • Peat Mix (30L bag, 2 bags in Centrex 2000 and Centrex 3000) and dried bacteria for starting off the unit
  • Rake for periodic clearing of the evaporating chamber
  • "Compost Quick" enzyme for speeding up composting
  • Complete vent kit including all pipe, fittings and vent intake assembly.


Vent Stack

The table below shows vent pipe sizes and lengths included with each unit. All central units include a Diffuser (Vent Cap) for 2" or 4" pipe as appropriate.




Sun-Mar Mobile & SpaceSaver

Central Units

2" by 15 ft.

4" by 13 ft.


  • Vent kits for 2" pipe include two 45° and one 90° elbow in addition to the necessary connectors.
  • Non-Electric 4" kits include only connectors, except for the 4" CENTREX 2000 A/F NE and Centrex 3000 A/F NE units which also have two 45° elbows and a 2.4 Watt 12 Volt fan for installation in the vent stack.
  • AC/DC units have a complete 4" vent kit in addition to a 2" kit, plus a 2.4 Watt 12 Volt Fan for installation in the 4" vent.


Also Included:

  • Waste inlet assembly for all central units and a complete waste inlet piping kit for A/F units
  • 10 feet of 1" diameter drain hose for all central units.
  • Evaporating tray for placing under the drum screen to catch excess peat moss.