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Author Topic: Download G12 Water Supplies  (Read 6739 times)

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Offline Plumber

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Download G12 Water Supplies
« on: August 05, 2008, 10:07:26 PM »
Approved Document for New Zealand Building Code Water Supplies Clause G12 Second Edition
*** Third edition now available ***

(including amendment 7)
Replaces G12 Water Supplies (Third Edition)
Effective from 30 September 2010

20/01/2016

g12-water-supplies-3rd-edition-amendment10

Some interesting changes around hot water cylinder trays.

Linkback: https://www.plumbers.nz/code-downloads/13/download-g12-water-supplies/27/
Please note that the advice I am giving is only my opinion and not necessarily a fact.  Please refer to our terms and conditions.

Offline Plumber

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Re: Download G12 Water Supplies
« Reply #1 on: January 20, 2017, 03:08:39 PM »
g12-water supplies 3rd edition amendment 10

Some interesting changes around hot water cylinder trays. Look forward to your thoughts.

Offline Fordy

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Re: Download G12 Water Supplies
« Reply #2 on: February 06, 2017, 02:23:09 PM »
Yes - very interesting. I see that they have removed the wording from 6.11.3:

Quote
a) Safe trays complying with Paragraph 5.2.3 where water could penetrate another household unit within the same building.

so now clause 6.11.3 reads

Quote
6.11.3 Storage water heaters shall have:
a) Safe trays complying with Paragraph 5.2.3

It won't affect our work much as we generally install safe trays under cylinders as it's sound trade practice and have seen the damage created when the cylinder fails without a tray.

OP can move this post to a new one if in the wrong place :)


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