Pricing & Options
The pricing and options for our composting toilet systems are shown below.
Since we have many composting toilet options, suitable for many uses, we recommend a one-on-one discussion so that we can learn your specific needs and can provide the best solution for you.
Aquatron Ultimate Bio Chamber
Swedish Aquatron Separator combined with the NZ-made Bio Chamber
The Ultimate Bio Chamber is manufactured in Rotorua under license from Aquatron. This Bio Chamber can also be set up with a dry toilet system (i.e. without a separator).
This system has a larger volume of contaminated liquid than the EcoDry and requires some form of secondary treatment and discharge.
What’s Included:
- Genuine Swedish Aquatron Separator
- NZ-made Bio Chamber
- Aquatron drainage module
- Genuine porcelain toilet with cistern and built-in urine diverter option (STOS)
- Toilet seat
- Composting worms (sent to you after installation).
What’s Not Included:
- Installation
- Urine drainage pipe (if required) to extend from Separator to Urine Container or Discharge Area
- 110mm soil pipe (typical)
- Urine container (optional if using STOS)
Options
- Any standard toilet pan and cistern can be used with the flushing system.
- Our rota-moulded toilet pan with urine diverter can be provided for the dry system.
- Please advise if you want pricing for any of these options.
$7,960 excl. GST
Includes North Island freight to PBT/Mainfreight Depot.
South Island freight cost available on request.
Aquatron EcoFlush90
Our economical conventional flushing unit
This system has a larger volume of contaminated liquid than the EcoDry that needs some form of secondary treatment or discharge.
Any standard toilet pan and cistern can be used with this set-up. Please advise if you want pricing for this option.
What’s Included:
- Aquatron EcoFlush primary treatment system
- Aquatron drainage module
- Aquatron 90 extra compost drawer
- Genuine porcelain toilet with cistern and built-in urine diverter option (STOS)
- Toilet seat
- Genuine Aquatron Separator
- Water hose for connection for urine flush.
- Composting worms (sent to you after installation).
What’s Not Included:
- Installation
- Urine drainage pipe (if required) to extend to urine container or discharge area
- 110mm soil pipe (typical)
- Urine container (if using STOS and required)
$5,140 excl. GST
Includes North Island freight to PBT/Mainfreight Depot.
South Island freight cost available on request.
Aquatron EcoDry90
Our most economical dry unit
Providing minimal faecal contaminated liquid to contain or discharge onsite.
What’s Included:
- Aquatron EcoDry primary treatment system
- Aquatron drainage module
- Aquatron 90 extra compost drawer
- Genuine porcelain toilet with built-in urine diverter and battery pack to operate
- Toilet seat
- D200 mm polyethylene dropshaft
- Water hose for connection for urine flush
- Composting worms (sent to you after installation)
What’s Not Included:
- Installation
- Urine drainage pipe (if required) to extend to urine container or discharge area
- Ventilation pipe (110mm sewer pipe typical)
- Urine container (if required)
- Fan and solar controller/240 V Charger (if required for added ventilation)
$4,990 excl. GST
Includes North Island freight to PBT/Mainfreight Depot.
South Island freight cost available on request.
Contact us
We’re happy to help you make an informed decision about which option is best for your particular situation.
Phone: 020-4003-3683
More Information
Download brochures and reports below by clicking on each image.

