Coming Soon – Q4 2026 | Register Your Interest to Pre-Order and Get the Early-Bird Deal
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The Bionova Cabin Series is expected to arrive in Q4 2026. If you’d like to be notified when it becomes available, please email WCTNZ® or register on our website and tick the “Notify me when available” button on this product.
Bionova Composting Toilet Pre-Sales Interest Form
Bionova Cabin
The Bionova Cabin is WCTNZ®’s compact option in the Bionova Cabin Series and is positioned for one of the most common NZ use cases we see: holiday properties, cabins, and small off-grid spaces where a conventional flush toilet system is not practical.
This is a self-contained composting toilet, which means the system is designed to operate within the unit itself rather than relying on a separate remote composting chamber. The Bionova Cabin uses powered internal functions to support day-to-day operation, including internal mixing, extractor fan airflow, and temperature-managed chamber support. This gives customers a cleaner, more convenient experience in a compact format that suits modern small-space builds.
From a WCTNZ® perspective, the Bionova Cabin is a strong fit for NZ holiday use because it is tidy in appearance, practical to install, and straightforward to operate once set up correctly. It suits the way many New Zealand properties are actually used, especially where buildings are occupied during weekends, holidays, and seasonal stays rather than heavy full-time use.
The Bionova Cabin is best suited to smaller occupancy and is ideal for customers who want a self-contained waterless toilet with a modern look and electrically assisted internal operation. If you are comparing options for a bach, sleepout, remote cabin, or compact modular unit, WCTNZ® can help you confirm whether the Bionova Cabin is the right fit for your project.
Specifications
- Unit size: 600mm long, 470mm wide, and 510mm high
- Seat height: 420mm
- Shipping dimensions: approximately 780mm by 500mm by 740mm
- Unit weight: approximately 30kg
- Maximum load bearing: 150kg
- Outer body: high-gloss polypropylene
- Internal components: polyamide and polypropylene materials
- Power: 220–240V AC, 50/60Hz, 170W
- IP rating: IPX4
- Electrical classification: Class I
- Average energy use: approximately 0.55kWh per day, depending on operating conditions and use pattern
As a practical NZ guide, WCTNZ® positions the Bionova Cabin as the smaller-occupancy model in the range, and it is generally best suited to cabin, bach, and holiday use where a compact self-contained format is preferred.
Stated system capacities are specified by the manufacturer. These can vary depending on climate.
Please talk to us about your use-case scenario for more details. 0800 022 027
Please note that Bionova Cabin does not include a starter pack — please order your microbes and bulking agent from the consumables list here.
Understanding Your System: Hardware + Biological Process
Important Notice for Owners: A composting toilet is not a “plug-and-forget” appliance; it is an on-site biological processor. While WCTNZ® provides the highest-quality hardware, the efficacy of the composting process depends entirely on user management.
User Responsibility: Successful, odour-free operation requires the owner to maintain the correct balance of moisture, carbon (bulking agents), and airflow.
Performance: Our warranties cover the mechanical and structural integrity of the hardware (fans, seals, and shells). They do not cover system failure caused by biological overload, incorrect feeding, or failure to follow the provided maintenance protocols and professional advice.
Expert Support: We provide the tech and the knowledge, but user knowledge = system success. By purchasing this system, you acknowledge that you are the operator of an on-site waste management facility and are responsible for its ongoing biological health.
WCTNZ® is the exclusive authorised distributor of Bionova composting toilets in New Zealand. All Bionova products available through WCTNZ® are guaranteed authentic, include official manufacturer warranties, and come with comprehensive local customer support—making us New Zealand’s trusted source for sustainable, waterless composting toilet solutions.
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 »
