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    SKU: SMC-2000 MFP 240
    Centrex 2000 M/F 240 — electric underfloor micro-flush split system for medium to heavy seasonal use or light residential use where you want a larger chamber and a micro-flush interface.

    Choose the Product options below

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    All Micro Flush Sun-Mar systems are down rated user capacity by one user.

    With the use of Micro Flush Systems a large soakaway is needed (2000mmL x 1000mmW x 800mmD)

    Sun-Mar Microflush Pedestal Models 510 & 511 

    Model 510 is a standard height toilet model with regular sized seats allowing for ease of use.

    Model 511 is a low profile model allowing for raised floor setups when fall on waste pipe is a problem and is a great option for children to keep their feet on the ground.

    The Sun-Mar centrex systems can take upto 4 Micro Flush Pedestals

    Add a wind-driven vent to create redundancy. The wind-driven vent will assist the fan under heavy wind conditions, keeping the system operational in the event of a power outage or fan failure.
    2 colours: white or black.

    Select this reducing collar to adapt the vent from 150mm to 100mm.

    Select this reducing collar adaptor to reduce the pipe further, from 100mm to 50mm. Compatible with this system.

    Note: to reduce to 50mm, the 100mm adaptor above is also required - leave selected.

    Note: systems with 50mm piping will require a mounting stay (not supplied).

    Select this reducing collar to adapt the vent from 150mm to 100mm.

    Select this reducing collar adaptor to reduce the pipe further, from 100mm to 50mm. Compatible with this system.
    Note: to reduce to 50mm, the 100mm adaptor above is also required - leave selected.
    Note: systems with 50mm piping will require a mounting stay (not supplied).

    Extend your soft connection leachate drainpipe to reach your hard connection leachate drainpipe or soak-pit/trench.

    Soft connections allow for flexible placement of the composting tank in relation to a hard connection or drain.

    The system is packed with 1 meter of 25mm leachate drainpipe as a standard.

    Extend your leachate drain via in-ground hard connection to reach your soak-pit/trench (soak-away).

    Most soak-aways should be installed 3 meters away from the foundations of the structure but this remains circumstantial to the site.

    Run your leachate drain into a soak pit (vertical soak-away) or into a trench (horizontal soak-away).

    Availability: Availability - on backorder and will be dispatched once in stock (Special order – ready in approx. 3–4 months (non-stock item sourced specially from our supplier)).
    $7,490.12 excl GST
    excluding shipping
    Estimated delivery time: Approx. 1–2 weeks (NZ-wide)
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    Availability: Special Order — enquire with WCTNZ® about current procurement timeframes.
    Sun-Mar™ powered micro-flush underfloor composting system

    Sun-Mar™ | Centrex 2000 — Micro Flush 240

    A powered underfloor composting system combining Centrex 2000 capacity with a micro-flush pedestal interface.

    Micro Flush provides greater pedestal-placement flexibility than the straight-fall Air Flow system while the powered chamber supports stronger evaporation.

    Seasonal use
    7–9 Adults
    Stated holiday-use range
    Residential
    Up to 4
    Stated residential capacity
    Fixture
    Micro Flush
    Flexible pedestal position
    Power
    240V
    Powered Centrex chamber
    Product background

    Powered split-system composting with a flush-style pedestal

    Waste is transferred from the micro-flush pedestal into the Centrex chamber below floor level rather than relying on a direct gravity drop.

    How it works

    Transfer, compost and collect

    Stage 1 Transfer

    The micro-flush pedestal transfers waste into the underfloor Centrex chamber without requiring a direct straight-fall toilet position.

    Stage 2 Compost & evaporate

    BioDrum™ rotation mixes and aerates the composting material while the powered chamber supports airflow and liquid evaporation.

    Stage 3 Finish & collect

    Material leaving the BioDrum™ moves through the Centrex 2000 collection pathway into the finishing tray for removal.

    Core product details

    Powered evaporation with greater bathroom flexibility

    • Sun-Mar™ BioDrum™ staged composting.
    • Micro-flush pedestal pathway.
    • 240V powered chamber.
    • 50mm vent identified in the supplied product information.
    • Low-voltage ventilation fan.
    • 1-inch drain hose at the base of the chamber.
    Certification

    NSF, electrical and AS/NZS certification evidence

    NSF/ANSI 41 — Non-Liquid Saturated Treatment Systems

    The supplied Sun-Mar™ material identifies the applicable performance-certification pathway.

    Electrical features are identified as CSA certified under file number LR55925.

    AS/NZS 1546.2:2008 — Waterless composting toilets

    SAI Global Licence Number: SMKH25591

    NSF: What you need to know about composting toilets

    NSF composting toilet information

    Starter materials are not included.

    Micro Flush systems use Sun Mix 40 Blue, Microbiota MicrobeBURST™ and Nature Flush enzymatic cleaner.

    WCTNZ® is an authorised New Zealand supplier of Sun-Mar™ composting toilet systems. Local support is available for system selection, installation information, consumables and after-sales requirements.

    Waterless or Micro Flush?

    Choose Air Flow where a fully waterless straight-fall pedestal suits the building. Choose Micro Flush where greater pedestal-placement flexibility is preferred.

    Before you choose, think:

    1. Your place — tiny home, bach, family home, RV, or public site

    2. Your building — whether it suits a self-contained or split composting toilet system

    3. Your needs — user numbers, maintenance preferences, and how off-grid you want to be

    To narrow it down properly, start with the Composting Toilet Guide.

    Open the WCTNZ® Selector Guide »