Plumbers' Technical Note – Flow and return lines from solar water heaters
All documents issued prior to 1 July 2017 were issued by the former Department of Commerce. Documents listed here are the latest versions available. For more information on this document, please contact firstname.lastname@example.org.
This technical note has been issued to advise the plumbing industry of the mandatory requirements and best practice when installing flow and return lines from solar water heaters/panels on the roof to auxiliary water heaters or storage tanks at ground level.
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