Sun Mar Composting Toilets - The Self-Contained Toilet

Self-Contained Composting Toilets 

EXCEL NE - Non-Electric High Capacity

The Excel NE is available in white

The success of the Excel design meant that a three-chamber unit could be specifically designed for those with no access to a continuous 110/220 volt supply. First launched in 1981, the Excel NE has long been the standard toilet for those living off the grid.  

Composting Capacity:

Residential/Continuous: 2 adults or families of 3
Seasonal/Vacation: 5 adults or families of 7

Vent Pipes and Drains:

Vent Pipe: 4″ Thin-wall PVC
Drains: 1″ OD 

Required in all installations

Dimensions:

Height: 31 1/2″
Width: 22 1/2″
Length: 33″
Weight: 47 lbs

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EXCEL - Electric High Capacity

The Excel is available in  white

The Excel is the best-selling unit in North America and for good reason. It is a high-capacity Bio-drum toilet that is very simple to operate, features well-proven technology, and is extremely reliable.

The Excel has enough capacity that it can be used just about anywhere; in residences, barns, and cottages.

This system can be converted to an AC/DC system using the AC/DC kit, purchased separately.

Composting Capacity:
3 Adults or Family of 5 – Residential Use
6 Adults or Family of 8 – Weekend and Vacation Use

Electrical Specification:

Electricity must be connected while the unit is in use for proper operation

Maximum Amps (With Heater On): 2.4
Fan Watts: 35
Heater Watts (When Thermostat switches it on): 250
Average Power Use in Watts (Heater on 1/2 time): 150

Vent Pipes and Drains:

Vent Pipe: 2″ Thin-wall PVC
Drains: 1″ OD

Optional for seasonal/vacation use
Required for residential/heavy use

Dimensions:

Height: 33 1/4″
Width: 22 1/2″
Depth: 33″
Weight: 60 lbs

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COMPACT - Electric Medium Capacity:

The Compact is available in two colors: Bone and White

The Compact is an elegant, low-profile unit with the looks to compliment 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.

Composting Capacity: 
Residential/Continuous: 1 adult or families of 2
Seasonal/Vacation: 3 adults or families of 4

Electrical Specifications:

Maximum Amps (With Heater On): 2.0
Fan Watts: 35
Heater Watts (When Thermostat switches it on): 200
Average Power Use in Watts (Heater on 1/2 time): 125

Vent Pipes and Drains:
Vent Pipe: 2″ Thin-wall PVC
Drains: ¾” OD

Required in residential application.

Dimensions:

Height: 28 1/2″
Width: 21 1/2″
Length: 33″
Weight: 48 lbs

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SPACESAVER - Electric Medium Capacity:

The SpaceSaver is a standard three-chamber unit designed specifically for situations where space is extremely limited. With a width of only 19 1/2″ and a depth of 23″, even a closet or small corner can now be turned into a bathroom! It is run exclusively off of 110v power and has a heating element and fan built-in

Composting Capacity:

Residential/Continuous: 1 adult
Seasonal/Vacation: 3 adults or families of 4 

Electrical Specifications:

Electricity must be connected while the unit is in use for proper operation.

Maximum Amps (With Heater On): 2.0
Fan Watts: 35
Heater Watts (When Thermostat switches it on): 160
Average Power Use in Watts (Heater on 1/2 time): 110

Vent pipes and Drains:

All Sun-Mar products must be properly vented per the guidelines present in the unit’s owner’s manual. 

Vent Pipe: 2″ Thin-wall PVC

Drains: 1” OD

Required if in a residential application.

Dimensions:

Height: 30″
Width: 19 1/2″
Length: 23″
Weight: 43 lbs

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