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Self-Contained Toilets

Self-Contained Toilets

Sun-Mar’s line of self-contained composting toilets provide the convenience of indoor plumbing, when installing a full septic system is impractical or impossible. Composting toilets are perfect for retrofitting old houses, boats, RV, and off-grid cabins. We sell AC, DC, and non-electric models. The Sun-Mar Mobile is even Coast Guard approved for marine use.

From manufacturer:

Wherever there is a poorly working septic system, a Sun-Mar can take care of the toilet waste; where there is an outhouse we offer the luxury of an indoor facility; and where there is no toilet at all, a Sun-Mar provides the right environmental choice. Sun-Mar units are economical, quick to install and easy to use. 

Because no chemicals and no septic systems are used, fragile environments can be protected. A Sun-Mar composting unit is an environmentally healthy choice for recycling human waste. The Sun-Mar system produces no pollutants, while collecting nutrients. With a Sun-Mar, recycling is made easy!

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  1. Excel NE Composting Toilet: White

    Sun-Mar Excel Non-Electric Composting Toilet

    $1,520.00

    • Excel NE self-contained composting toilet
    • 5 adults/Family of 7: Weekend/vacation use
    • 2 adult/Family of 3: Full-time use
    • NO electricity required!
    • Available in White or Bone
    • Includes 8' vent pipe and 8' drain tube
    • Flat $250 Shipping in US 48 contiguous states.
    Learn More
  2. Sun-Mar Microbe Mix: Case (6)

    $96.00

    • Microbe and enzyme mix for composting toilets
    • Add a scoop every 2-3 weeks to maintain compost efficiency
    • Use instead of topsoil in compost startup, to establish correct bacteria
    • Non-toxic, 100% natural, and safe for humans and pets
    • Six (6) 16oz jars of microbe booster
    Learn More
  3. Sun-Mar Space Saver and Centrex 1000 Fan

    Sun-Mar Space Saver and Centrex 1000 Fan

    $136.00

  4. Replacement fan for Space Saver and Centrex 1000
  5. Learn More
  • Sun-Mar Microbe Mix Compost Booster

    Sun-Mar Microbe Mix Compost Booster

    $17.50

    • Microbe and enzyme mix for composting toilets
    • Add a scoop every 2-3 weeks to maintain compost efficiency
    • Use instead of topsoil in compost startup, to establish correct bacteria
    • Non-toxic, 100% natural, and safe for humans and pets
    • Single 16 ounce jar
    Learn More
  • Sun-Mar Excel 120V Composting Toilet

    Sun-Mar Excel 120V Composting Toilet

    $1,688.00

    • Excel self-contained composting toilet
    • 6 adults/Family of 8: Weekend/vacation use
    • 3 adult/Family of 5: Full-time use
    • Requires electricity for use
    • Available in White or Bone
    • Includes 8' of vent pipe
    • Flat $250 Shipping in US 48 contiguous states.
    Learn More
  • SM-CSURE-GREEN

    Sun-Mar Compost Sure Green, Case (5)

    $96.00

    • THIS LISTING IS FOR A CASE OF 5 BAGS
    • Compost Bulking agent for waterless composting toilets
    • A mix of hemp fiber and coarse sphagnum peat moss
    • Helps retain moisture, and ensure porosity
    • Add 1 scoop to composter for every bowel movement
    Learn More
  • Sun-Mar Compost Quick, Case (6)

    $89.00

    • THIS LISTING IS FOR A CASE OF 6 BOTTLES
    • Compost accelerator spray for composting toilets
    • Enzyme liquid supports aerobic bacterial action
    • Spray 3–4 pumps into toilet, before rotating compost drum
    • Can also be used to clean the bowl liner
    Learn More
  • Sun-Mar AC Replacement Fan Unit 1999 to Present

    Sun-Mar AC Replacement Fan Unit 1999 to Present

    $152.00

  • Fan and motor assembly for electric units
  • 1999 to present
  • Learn More
  • SunMar Spacesaver 110V Composting Toilet

    Sun-Mar Spacesaver 120V Composting Toilet

    $1,525.00

    • 120V Composting Toilet
    • Only 19in. wide and 22in. deep
    • Weekend use: 3 adults/Family of 4
    • Regular use: 1 adult and 1 child
    • Flat $250 Shipping in US 48 contiguous states.
    Learn More
  • SunMar Compact Stand-alone Composting Toilet

    Sun-Mar Compact 120V Composting Toilet

    $1,594.00

    • 120V Composting Toilet
    • 21.5" wide, 33" deep
    • Seasonal Use: 3 adults/family of 4
    • Regular use: 1 adult and 1 child
    • Flat $250 Shipping in US 48 contiguous states.
    Learn More
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