Sun-Mar composting toilets from Oasis Montana

Oasis Montana Inc.
Authorized Dealer for
Sun-Mar composting toilets

Call us!  406-777-4309
Fax: 406-777-4309
Home Page:

Sun-Mar composting toilet retail sales
Centrex 1000 Series Centralized Composting Toilet Systems

Composting Toilets home

Sun-Mar self contained toilets

Sun-Mar "Centrex" centralized composting toilet systems

Sun-Mar options & accessories

Composting toilet

Composting toilet Frequently Asked Questions (FAQs)

in PDF format

very informative (only 3 mg)

Solar water pumping

Renewable energy products

Propane appliances

Energy efficient appliances

Click on any of the pictures through out the site for a larger view in a new window.

These Centrex 1000 series composting toilet systems are NSF std. 41 cottage rated at 4-7 people for weekend and vacation use, not for continuous occupation.  You may download a manual for the 1000 series composting toilets here for more details and information.  (PDF 506k)

Centrex 1000 Electric Features:
(Shown with Toilet model 510)

Centrex 1000
  • Flush style, electric unit
  • 5-7 adults weekend/vacation (0 continuous)
  • For applications where continuous 115 volt is available
  • 35 watt turbo fan
  • 260W 115V Thermostatically controlled heating element
  • 2" vent stack
  • 1" drain (hook-up required)
  • Color: Bone
  • Requires flush type toilet (see below)
  • 22.5"W x 32.5"D x 28.5"H (24.5"W at handle location)
  • $1845 (plus shipping)

Centrex 1000 Non-Electric Features:
(Shown with Toilet model 510)

Centrex 1000 NE
  • Flush style, non-electric unit
  • 4-6 adults weekend/vacation (0 continuous)
  • Non-electric functionality
  • 4" vent stack
  • Optional 1.4W 12V stack fan available($55)
  • 1" drain (hook-up required)
  • Color: bone
  • Requires flush type toilet (see below)
  • 22.5"W x 32.5"D x 27.5"H (24.5"W at handle location)
  • $1645 (plus shipping)

NOTE: Sun-Mar products ship from New York State.


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Downloadable Sun-Mar brochure
(PDF 3mg)

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