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The larger composting drum in the Centrex 2000 AF-NE (No Flush, Non-Electric) allows a longer composting cycle, and larger waste volumes. The increased surface area in the evaporating chamber also provides better evaporation. When used seasonally by up to 5 adults, compost will normally only need to be removed annually at the beginning of the cottage season.

The larger composting drum in the Centrex 3000 AF-NE (No Flush, non-electric) allows a longer composting cycle, and larger waste volumes. The increased surface area in the evaporating chamber also provides better evaporation. When used seasonally by up to 7 adults, compost will normally only need to be removed annually at the beginning of the cottage season.

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

All Central units, including the 1000 series, are fitted with a removable evaporating tray under the drum screen in the evaporating chamber. This trays helps to trap any peat moss debris, and provides an extra evaporating surface.

The Centrex 1000 NE was recently re-engineered for better compost flow to include input doors on the left and an output door on the right. This output door is only open when the drum is rotated backwards to extract compost.

Other changes include a larger finishing drawer, easier access for maintenance, and a redesigned access port which is secured by a catch.

Perfect for medium-to-heavy seasonal or light residential use, the Centrex 2000 allows for both a longer composting cycle, and larger waste volumes than the 1000 models. The increased surface area in the evaporating chamber coupled with the larger heating element also provides better evaporation on electric units.

The larger composting drum in the Centrex 2000 AF (Air Flow) allows a longer composting cycle, and larger waste volumes. The increased surface area in the evaporating chamber also provides better evaporation. When used seasonally by up to 6 adults, compost will normally only need to be removed annually at the beginning of the cottage season.

Perfect for medium-to-heavy seasonal or light residential use, the 2000 allows for both a longer composting cycle, and larger waste volumes.

When used seasonally by up to 6 adults, compost will normally only need removing annually each spring. In residential use compost will have to be extracted more frequently.

The Centrex 3000 utilizes a continuous flow design for very heavy cottage or medium residential use. With a continuous flow system, rotation of the drum moves compost along the larger and longer 3000 series drum, before it drops automatically into the collection housing at the end of the unit. Under normal operating conditions, the drum will not have to be turned backwards for emptying.

The Centrex 3000 AF (Air Flow) is a continuous compost flow design for very heavy cottage or medium residential use. With a continuous flow system, rotation of the drum moves compost along the larger and longer 3000 series drum, before it drops automatically into the collection housing at the end of the unit. Under normal operating conditions the drum will not have to be turned backwards for emptying.

The Centrex 3000 NE (Non-Electric) employs a continuous flow design for very heavy cottage or medium residential use. With a continuous flow system, rotation of the drum moves compost along the larger and longer 3000 series drum, before it drops automatically into the collection housing at the end of the unit. Under normal operating conditions the drum will not have to be turned backwards for emptying.

Compost Quick comes in a 16 oz. spray bottle. This enzyme liquid accelerates the composting action, leaving you with a perfect finished compost every time. It can also be used as a cleaner for either your bowl liner (for self-contained models) or your toilet (for Low Flush systems).

The Compact is an elegant low-profile unit with the looks to complement any bathroom. Sun-Mar engineers designed this low-profile toilet by developing and patenting a new variable diameter Bio-drum which is small at the front and large at the rear. To maintain the uninterrupted lines of the Compact, a patented Bio-drum handle recesses into the body of the unit to mix and aerate the compost.

Ideal for kitchen scraps and a few cut up yard trimmings.

Take the hassle out of composting.

The 400 is considerably larger than the 200, but the principle works the same.

Ideal for kitchen scraps and a few cut up yard trimmings.

Take the hassle out of composting.

The Design of the Sun-Mar Mobile Family

The success of the Excel design meant that a three-chamber unit could be specifically designed for those with NO continuous 110 volt supply. First launched in 1981, the Excel NE has long been the standard toilet for those living off the grid. A 1998 redesign gave the unit a rounded look, and recessed the drum handle.

The Excel NE has no fan or heater. Odourless operation is achieved by a 4" vent ...
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The Excel AC/DC is a standard 115 volt Excel unit, but with 1" safety drains at the rear and dual (2" and 4") vent stacks.

The unit uses the regular 2" vent when 115 Volt power is available and defaults to the 4" NE vent when it is not.

A 12 volt 1.9 watt fan is included for use in the 4" vent stack.

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The US Coast Guard certified Sun-Mar Mobile was originally designed for use on boats and RVs. It was only slightly wider and longer than a regular toilet seat so that it could fit anywhere. It ushered in a new era where for the first time people could go wherever they wanted without having to worry about “pump outs”. Travelers could recycle their waste without polluting the waters.

The Sealand 510 Plus has a regular sized toilet seat and is 2" longer and 1" wider than the Sealand 2010. In some instances extra height is needed to allow the toilet to gravity feed to the composting unit. Where this is the case, the Sealand 511 Plus (large bowl) or the Sealand 2011 (small bowl), low profile models with a 10" seat height, can be mounted on a platform.

This elegant Sun-Mar Dry Toilet is designed for use with the waterless Centrex 2000 AF (Air Flow) family and Centrex 3000 AF family of central composting systems. Available in either White or Bone, the Dry Toilet has a seat height of 15" and a "regular sized" toilet seat.