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Return Authorisation & Testing Assessment
Return Authorisation (RA) & Testing Assessment
Use this form to request warranty review, testing, repair, parts support, or return authorisation from WCTNZ®.
This form supports matters where the standard My Account / RMA process is unavailable, unsuitable, or not linked to the order.
Before you use this form
If your order is visible in your WCTNZ® account and the Return Request / RMA (Return Merchandise Authorisation) option is available on your order, please use that process first. If the RMA option is no longer available, your order was placed manually, or your request relates to warranty, testing, repair, parts, or technical assessment, use this form.
Normal discretionary returns are only considered within the WCTNZ® 30-day return grace period. The website RMA setting may remain open slightly longer to allow for dispatch and delivery timing, but this does not extend the return period or create a general right of return.
This is an assessment request, not approval
Submitting this form does not mean a return, refund, exchange, credit, warranty claim, repair, or replacement has been approved. After the 30-day return grace period, requests are assessed under the applicable warranty, testing and repair process, replacement parts pathway, paid service pathway, or any remedy required by New Zealand law.
Use this form for warranty assessment, testing, repair, parts support, or return authorisation.
Do not return any goods until WCTNZ® has issued written return instructions.
No-fault testing, freight, cleaning, handling, and labour charges may apply.
Goods must be clean, safe to handle, securely packed, and freight prepaid unless WCTNZ® agrees otherwise in writing.
Complete the Return Authorisation & Testing Assessment Form
Read the policy before returning goods
This form supports the WCTNZ® testing, repair, warranty and return-authorisation process. Do not send any product, part, or system to WCTNZ® until written return instructions have been issued.
Related support and warranty pages
Use these links if you need policy context before submitting or returning goods.
News Letters
Monthly News: Current affairs in NZ wastewater
Monthly Promotion: Special & one-off deals
Monthly The Humanist: Tips, tricks & advice on composting toilets
Customer Service
My Account
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