Central Composing Toilets 

Sun-Mar’s CENTRAL composting toilets can be used with either ultra-low-flush toilets or waterless toilets. Up to three toilets can be connected with the composter, and can either be electric or non-electric.

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Centrex 1000 NE -  Non-Electric Regular Capacity

The CENTREX 1000 NE model is ideal for those installations where electricity is not available.

The CENTREX 1000 NE series is designed only for use with 1-pint flush toilets (purchased separately).

Capacity:

Seasonal/Vacation: 4 adults or families of 6

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: 4″ Thin-wall PVC
Drains: 1” OD

Required in all applications.

Dimensions:

Height: 27 1/2″
Width: 24 1/2″
Length: 32 1/2″
Weight: 42 lbs

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Centrex 1000 - Electric Regular Capacity

The CENTREX 1000 model is a regular capacity model ideal for those who have electricity and want a unit for light seasonal usage. 

The CENTREX 1000 has a built-in heating element and fan assembly. All CENTREX 1000 series units are supplied with a 1″ drain hose, which should be connected in all applications. The CENTREX 1000 series is designed only for use with the 1-pint flush toilets (purchased separately).

Capacity: 

Seasonal/Vacation:  5 adults or families of 7

Electrical Specifications:

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

Maximum Amps (With Heater On): 2.5
Fan Watts: 35
Heater Watts (When Thermostat switches it on): 260
Average Power Use in Watts (Heater on 1/2 time): 150

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″
Drains: 1” OD

Required in all applications.

Dimensions: 

Height: 28 1/2″
Width: 24 1/2″
Length: 32 1/2″
Weight: 57 lbs

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Centrex 2000 NE - Non-Electric High Capacity

The CENTREX 2000 NE (Non-Electric) is the non-electric version of the Centrex 2000 which is fitted with a 4″ vent stack. This high-capacity composting unit is perfect for medium to heavy seasonal or light residential use. The CENTREX 2000 NE allows for both a longer composting cycle and larger waste volumes. 

The Centrex 2000 NE may be used with one or more 1-pint low-flush toilets purchased separately.

Capacity: 

Residential/Continuous: 3 adults or families of 5
Seasonal/Vacation: 6 adults or families of 8

Vent Pipe and Drains: 

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

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

Required in all applications.

Dimensions:

Height: 26 1/2″
Width: 26 1/2″
Length: 45 1/2″ (49″ to turn handle)
Weight: 63 lbs

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Centrex 2000 - Electric High Capacity

The CENTREX 2000 is a high-capacity unit. It allows for a longer composting cycle, can support larger waste volumes than the 1000 models, and is perfect for both residential and vacation use.

The CENTREX 2000 features a built-in heating element and fan.  The CENTREX 2000 may be used with one or more 1-pint ultra-low flush, purchased separately.

Capacity: 
Residential/Continuous 4 adults or families of 6
Seasonal/Vacation 7 adults or families of 9

Electrical Specifications:

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

Maximum Amps (With Heater On): 3.6
Fan Watts: 35
Heater Watts (When Thermostat switches it on): 370
Average Power Use in Watts (Heater on 1/2 time): 200

Vent Pipe 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 in all applications.

Dimensions:

Height: 28″
Width: 27″
Length: 45 1/2″ (49″ to turn handle)
Weight: 74 lbs

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Centrex 3000 NE - Non-Electric Extra High Capacity

The CENTREX 3000 NE (Non-Electric) is the non-electric version of the CENTREX 3000 which is fitted with a 4″ vent stack. This high-capacity unit 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 CENTREX 3000 drum, before it drops into the collection housing at the end of the unit. Under normal operating conditions, the drum will not have to be turned backward for emptying.

This unit is for use with a 1-pint ultra-low flush toilet, purchased separately. More than one toilet may be installed on this system, depending on needs and available space. 

Capacity: 
Residential/Continuous: 5 adults or families of 7
Seasonal/Vacation: 8 adults or families of 10

Vent Pipe and Drains: 

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

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

Required in all applications.

Dimensions:

Height: 29 1/4″
Width: 27 1/2″
Length: 71″
Weight: 95 lbs

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Centrex 3000 - Electric Extra High Capacity

The CENTREX 3000 is unique among the Sun-Mar’s Central units. It 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 CENTREX 3000 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 backward for emptying.

All CENTREX 3000 electric units feature a built-in heating element and fan assembly. This unit is for use with a 1-pint ultra-low flush toilet, purchased separately. More than one toilet may be installed on this system, depending on needs and available space.

Capacity:

Residential/Continuous 6 adults or families of 8
Seasonal/Vacation 9 adults or families of 11

Electrical Specifications:

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

Maximum Amps (With Heater On): 3.6
Fan Watts: 35
Heater Watts (When Thermostat switches it on): 370
Average Power Use in Watts (Heater on 1/2 time): 200

Vent Pipe and Drains: 

Vent Pip: 2″ Thin-wall PVC
Drains: 1” OD

Required in all applications.

Dimensions:

Height: 30 1/4″
Width: 27 1/2″
Length: 71″
Weight: 110 lbs

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