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    SKU: SMC-3000 MFP
    Centrex 3000 M/F 240 — the largest electric micro-flush underfloor split system in the range, suited to higher-volume installations that want a flush-style interface with large composting capacity.

    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)).
    $8,989.77 excl GST
    excluding shipping
    Estimated delivery time: Approx. 1–2 weeks (NZ-wide)
    i h
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    Availability: Special Order — enquire with WCTNZ® about current procurement timeframes.
    Sun-Mar™ largest powered micro-flush Centrex system

    Sun-Mar™ | Centrex 3000 — Micro Flush 240

    A high-capacity powered underfloor composting system combining the larger Centrex 3000 chamber with a micro-flush pedestal.

    This configuration is intended for medium-to-heavy seasonal and medium residential applications where larger compost volume, powered evaporation and greater pedestal flexibility are required.

    Range
    Centrex 3000
    Largest Centrex chamber
    Fixture
    Micro Flush
    Flexible pedestal layout
    Heater
    370W
    Thermostatically controlled
    Fan
    30W
    Sun-Mar™ turbofan
    Product background

    Maximum Centrex volume with greater pedestal flexibility

    The Centrex 3000 Micro Flush combines the larger underfloor composting chamber with a pedestal pathway that does not require the straight-fall arrangement used by Air Flow.

    How it works

    Transfer, progress and collect

    Stage 1 Transfer

    The micro-flush pedestal transfers waste into the underfloor Centrex 3000 chamber without requiring a direct straight-fall toilet position.

    Stage 2 Compost & progress

    BioDrum™ rotation mixes and moves the compost progressively along the longer drum while powered heating and ventilation support evaporation.

    Stage 3 Collect

    Material reaches the auto-drop end of the BioDrum™ and falls into the separate collection housing for removal.

    Powered performance

    Heating and ventilation support liquid evaporation

    • 370W thermostatically controlled heater.
    • 30W Sun-Mar™ turbofan.
    • 2-inch vent stack.
    • Micro-flush pedestal pathway.
    • Continuous-flow 3000-series BioDrum™.
    • Overflow drainage remains part of the complete installation pathway.
    Capacity and selection

    Intended for heavier Centrex applications

    The supplied product page positions this model for medium-to-heavy seasonal use and medium residential use.

    Capacity note: the supplied page does not state a specific numeric user capacity for this configuration, so the actual project loading should be reviewed before selection.
    Certification

    NSF, electrical and AS/NZS certification evidence

    NSF/ANSI 41 — Non-Liquid Saturated Treatment Systems

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

    Air Flow 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 »