Sun-Mar Centrex 3000

$2,245.00

In Stock

Handles residential use for families of 8 (6 adults) or vacation use for families of 11 (9 adults).

SKU: 44120

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Sun-Mar Centrex 3000 Central Composting Toilet System


This item requires a custom freight quote. After your order is placed, we will contact you with shipping rates and will complete your order upon your approval.

The Sun-Mar Centrex 3000 Central Composting Toilet System utilizes a continuous-flow design for heavy seasonal use or medium residential use. The continuous flow system rotates the drum, moving compost along 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 features a 370-Watt, 120-volt thermostatically controlled heater in a sealed compartment beneath the unit, a 35-Watt fan, and a 2" vent stack. This heater assists in evaporation of liquids, reducing the amount of effluent from the unit. The fan removes any fresh odors from the unit, ensuring odor-free operation. Also includes a 1" drain hose that should be connected to the 1" drain at the bottom left of the unit.

The Centrex 3000 is designed for use with one or more Sealand Low-Flush Toilet (purchased separately). Or to turn the system into a waterless (dry flush) composting toilet system, use the Sun-Mar Waterless Kit and a Sun-Mar Dry Toilet (available above).

Sun-Mar Centrex 3000 Central Composting Toilet System Specs

  • 30¼" H x 27½" D x 71" W
  • 45½" D required to remove drawer
  • 102 lbs
  • Residential/continuous use capacity: 6 adults or families of 8
  • Seasonal/vacation use capacity: 9 adults or families of 11
  • Vent pipe: 2" PVC thin wall
  • 1" drain hookup required
  • Fan: 35W
  • Heater: 370W

About Sun-Mar Composting Toilets

Sun-Mar Composting Toilets save more than 10,000 gallons of water per year, keep water clean for drinking and swimming by not polluting groundwater, and recycle human waste into safe, usable soil. And because their aerobic decomposition produces no sewer gases, they are odor-free! Installation directly into the bathroom is a snap because no water connection is required. Everything for installation and start up, including the vent stack, is included. Great for use in homes, cottages, weekend cabins, pool houses, barns, stables, workshops, or off-grid applications - anywhere you want to minimize your ecological footprint. Real Goods has sold thousands of Sun-Mars with almost universal satisfaction. NSF/ANSI certified. Five year parts-replacement warranty.

This product is shipped directly from the manufacturer or distributor and will arrive separately from any other products ordered. Availability estimates are based on average lead times and can vary due to stock status and location.

Returns & Replacements
You may return most unused products to us for a refund or replacement within 30 days of receipt. Items must be in new re-sellable condition with all original packaging, paperwork and accessories. For your protection, please send returns via a traceable method. We are not responsible for lost or missing returns without tracking information. Return freight and shipping is non-refundable. Products that qualified for free shipping will be credited the product price minus shipping costs. Unless otherwise requested, back orders will be refund to assure a you receive your order within an acceptable time.


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