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The Sun-Mar SpaceSaver Composting Toilet is a self-contained, three-chamber composting toilet specifically designed for installations where space is extremely limited. With a compact footprint measuring just 19" wide and 22" deep, the SpaceSaver allows even closets or tight corners to be converted into functional bathrooms.
The SpaceSaver features a high-quality turbo fan similar to other electric Sun-Mar composting toilets, ensuring continuous ventilation and odor-free operation. Its Bio-Drum is nearly the same size as the Compact model, providing comparable composting capacity while maintaining a smaller overall profile.
Due to the smaller heater and evaporating surface, evaporation capacity is reduced compared to larger models. For this reason, the safety drain connection is recommended to ensure proper operation, especially during heavier use.
Perfect For
Closets, small cabins, cottages, homes, yurts, pool houses, cabanas, bunkies, camps, treehouses, workshops, and any space where a traditional toilet cannot be installed due to size constraints.
What’s Included
Sun-Mar SpaceSaver composting toilet unit, owner’s manual, warranty card, bowl liner, footrest, mixing rake, 2" ABS vent pipe sections (30" length, quantity 4), 4" diffuser, hardware kit, 2" pipe insulation, 1" flexible drain hose (8 ft long), and Compost Sure Green starter mix (1 bag).
Installation & Operation
Installation is straightforward. The unit plugs into a standard 110V electrical outlet and uses the included 2" vent stack to provide continuous airflow. The composting process is supported by the internal Bio-Drum, which mixes and aerates compost for efficient breakdown.
Because evaporation capacity is limited compared to larger models, the safety drain should be connected as recommended in the owner’s manual to maintain optimal performance.
User Capacity
Residential use supports 1 full-time adult. Weekend or vacation use supports up to 3 adults or a family of 4.
Specifications
Dimensions (W × D × H): 19.5" × 23" × 30"
Depth Required to Remove Drawer: 38"
Weight: 40 lbs
Power Requirement: 110V AC
Maximum Amps: 1.2
Fan Watts: 35
Heater Watts: 160
Ventilation: 2" vent stack with diffuser
Certification: NSF Standard 41
Warranty: Manufacturer warranty included
Color: White
Description
The Sun-Mar SpaceSaver Composting Toilet is a self-contained, three-chamber composting toilet specifically designed for installations where space is extremely limited. With a compact footprint measuring just 19" wide and 22" deep, the SpaceSaver allows even closets or tight corners to be converted into functional bathrooms.
The SpaceSaver features a high-quality turbo fan similar to other electric Sun-Mar composting toilets, ensuring continuous ventilation and odor-free operation. Its Bio-Drum is nearly the same size as the Compact model, providing comparable composting capacity while maintaining a smaller overall profile.
Due to the smaller heater and evaporating surface, evaporation capacity is reduced compared to larger models. For this reason, the safety drain connection is recommended to ensure proper operation, especially during heavier use.
Perfect For
Closets, small cabins, cottages, homes, yurts, pool houses, cabanas, bunkies, camps, treehouses, workshops, and any space where a traditional toilet cannot be installed due to size constraints.
What’s Included
Sun-Mar SpaceSaver composting toilet unit, owner’s manual, warranty card, bowl liner, footrest, mixing rake, 2" ABS vent pipe sections (30" length, quantity 4), 4" diffuser, hardware kit, 2" pipe insulation, 1" flexible drain hose (8 ft long), and Compost Sure Green starter mix (1 bag).
Installation & Operation
Installation is straightforward. The unit plugs into a standard 110V electrical outlet and uses the included 2" vent stack to provide continuous airflow. The composting process is supported by the internal Bio-Drum, which mixes and aerates compost for efficient breakdown.
Because evaporation capacity is limited compared to larger models, the safety drain should be connected as recommended in the owner’s manual to maintain optimal performance.
User Capacity
Residential use supports 1 full-time adult. Weekend or vacation use supports up to 3 adults or a family of 4.
Specifications
Dimensions (W × D × H): 19.5" × 23" × 30"
Depth Required to Remove Drawer: 38"
Weight: 40 lbs
Power Requirement: 110V AC
Maximum Amps: 1.2
Fan Watts: 35
Heater Watts: 160
Ventilation: 2" vent stack with diffuser
Certification: NSF Standard 41
Warranty: Manufacturer warranty included
Color: White
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