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Sun-Mar AC/DC Kit


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Adds 12-volt DC and non-electric venting options to a Sun-Mar Excel or Centrex 1000, 2000, or 3000 composting toilet.

SKU: 49412

Sun-Mar AC/DC Kit

This kit allows a Sun-Mar Excel or Sun-Mar Centrex 1000/2000/3000 (both waterless and low-flush) composting toilet to operate in either 12-volt DC or non-electric mode in addition to the standard 115-volt AC electric mode.

When the kit is installed, your Excel or Centrex will have both a 2" and a 4" vent stack. The toilet will use the 2" vent when AC power is available and will default to the 4" vent (for non-electric venting) when it is not. The included 12-volt DC fan can be installed in the 4" vent to use DC power to assist with venting.

Sun-Mar AC/DC Kit Includes:

  • 1x 12-volt DC fan (2.4W)
  • 5x 4" vent pipe sections (31½" length)
  • 4x 4" ABS couplings
  • 1x 4¼" hole saw
  • 1x 4" roof flashing
  • 1x 6" diffuser
  • 1x 4" inlet pipe
  • 1x 1" drain pipe (8'4" length)
  • 1x Microbe Mix (50g)
  • 1x Quick Compost (50ml)
  • 1x 1" hose clamp
  • 1x clear scoop

This product is shipped from one of our warehouses in Northern California. Orders placed after 12 p.m. will typically ship the following business day. To see an estimate of our delivery times, click here.

Returns & Replacements
Products can be returned for a refund within 30 days of receipt if unused and in original packaging. Returns are paid for by customer unless product is defective or damaged, in which case Real Goods assumes responsibility. Please use Fedex, UPS, or USPS with tracking, for returns.

Returns of solar panels, inverters or other large ticket items will incur a re-stocking fee of up to 20%. Freight shipping is non-refundable.

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