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    Sun-Mar™ | Centrex 3000 NE (Non Electric) - M/F Micro Flush

    Brand: Sun-Mar™
    SKU: SMC-3000 NE MFP
    Centrex 3000 NE M/F — high-capacity non-electric underfloor micro-flush split system for heavier holiday or medium residential use where low-power operation is important.

    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

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    Choose the fan voltage to match your power system.

    ABS pipe (US spec) is supplied with the toilet. This is suitable for straight horizontal vent stacks.

    If you'd like to adapt the unit to NZ pipe, please select this kit. You will need NZ pipe if you're looking to create elbows and bends.

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    You may need additional vent materials depending on how many storeys your building has.

    Single Storey buildings with a high-profile roof (A frame or mono-pitch) require extra lengths of vent pipe - add one 800mm Vent Pipe Extension

    Double Storey buildings require extra lengths of vent pipe. Please add 4 x 1m Vent Pipe Extensions.

    Double Storey building with a high-profile roof (A frame or mono-pitch) require extra lengths of vent pipe - add one 800mm Vent Pipe Extension

    Kit for stepping the vent stack around the eaves of the roof. Allows you to avoid penetrating the roof.

    A wind-driven vent offers the best redundancy for your system ventilation. 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.
    SharkVent™ | Wind Ventilator has high efficiency with a linear wind direction windvane (good for storm-prone areas).
    Universal Vent ACC | Wind-Driven Vent has high efficiency in low windage. 2 colours: white or black.

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

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

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

    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)).
    $8,618.98 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™ higher-capacity non-electric micro-flush system

    Sun-Mar™ | Centrex 3000 NE — Micro Flush

    A high-capacity non-electric underfloor composting system for micro-flush installations in off-grid and low-power environments.

    The larger 3000-series chamber combines continuous-flow composting with the more flexible pedestal layout of a micro-flush system.

    Holiday use
    Up to 6
    Stated seasonal capacity
    Residential
    Up to 4
    Stated residential capacity
    Fixture
    Micro Flush
    Flexible pedestal layout
    Heating
    None
    Low-voltage pathway
    Product background

    Larger micro-flush composting for off-grid sites

    The Centrex 3000 NE Micro Flush provides more composting volume than the Centrex 2000 NE Micro Flush while retaining a low-power operating pathway.

    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 straight-fall toilet position.

    Stage 2 Compost & progress

    BioDrum™ rotation mixes the material and moves it progressively along the longer drum while natural or low-voltage-assisted ventilation supports moisture management.

    Stage 3 Collect

    Compost reaches the auto-drop end of the drum and falls into the separate collection housing for removal.

    Ventilation and drainage

    Non-electric operation with optional fan support

    • 4-inch / approximately 100mm vent stack.
    • No chamber heating unit.
    • Optional 12V fan for additional ventilation support.
    • 1-inch drain hose connects to the chamber drain.
    • Overflow drainage manages liquid not removed through evaporation.
    Certification

    NSF and AS/NZS certification evidence

    NSF/ANSI 41 — Non-Liquid Saturated Treatment Systems

    The supplied certification information identifies independent performance testing under the NSF pathway.

    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.

    Centrex 2000 or Centrex 3000?

    Choose the 3000 where its larger composting chamber and continuous-flow pathway better suit the expected use.

    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 »