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    EcoLet™ | Through-Wall Installation Kit for the 240v Range

    Brand: EcoLet™
    SKU: Ecolet TWK 450
    This installation kit is required to achieve a safe and watertight through-wall penetration and properly insulate the vent pipe for cold weather.

    Choose the Product options below

    1.2 Meter 100mm housing extensions (colour black)

    Use one extension for a High Stud building / Use two extensions for a two-story building (when the EcoLet™ system is installed on the bottom floor)

    Availability: 3 in stock
    Old price: $391.30 excl GST
    $373.91 excl GST
    excluding shipping
    Estimated delivery time: Approx. 1–2 weeks (NZ-wide)
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    EcoLet™ 240 range ventilation accessory

    EcoLet™ | Through-Wall Installation Kit for the 240V Range

    A dedicated insulated through-wall ventilation pathway for heated EcoLet™ 240-series systems.

    Use this kit where the standard through-ceiling vent arrangement is not suitable and the vent needs to pass through an external wall before rising outside.

    Application
    240V Range
    Heated EcoLet™ systems
    Route
    Through Wall
    External vertical stack
    Maximum bends
    3
    No bend sharper than 45°
    Ventilation requirement

    Insulate heated-system vents exposed outdoors

    Heated EcoLet™ ventilation pipe must be insulated where the vent route is exposed to outside air.

    The standard EcoLet™ package uses a through-ceiling vent route, so this additional kit is only required where the through-wall configuration is selected.

    Kit contents

    Through-Wall Installation Kit includes

    • Black through-wall kit assembly.
    • One additional 50mm 45-degree bend.
    Extension package

    External vertical-stack extensions

    • 2 × 1.2m black 100mm outer housing extensions.
    • 2 × exterior-rated insulation lengths for the 50mm ventilation pipe.
    • The 50mm internal vent pipe is supplied through the base EcoLet™ system pathway.
    • 2 × 100mm pipe saddles.
    • Timber or masonry mounting hardware to suit the selected mounting surface.
    Each 1.2m extension provides approximately 1.1m of installed extension length. Additional extensions may be required for taller buildings.
    Vent design

    Keep the vent path open and gradual

    Do not use 90-degree elbows.

    No bend in the 240-series fan-forced vent route should be sharper than 45 degrees.

    Use no more than three bends in total.

    Standard NZ plumbing fittings are not interchangeable with the dedicated EcoLet™ ventilation components.

    WCTNZ® is the exclusive authorised distributor of EcoLet™ composting toilets in New Zealand. Confirm the EcoLet™ model and intended vent route before selecting a through-wall installation package.

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