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Offline LisaS

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Question 11
« on: February 11, 2009, 09:01:54 AM »
QUESTION 11
Answer each of the following to ensure compliance with the New Zealand Building Code 
G12/AS1.
(a) State when a safe tray must be installed under a storage water heater.
(1 mark)
(b) State when a drain point must be fitted to a storage water heater.
(1 mark)
 
(c) State the requirements for a drain point fitted to a storage water heater.
 
(1 mark)
 
(d)  Give TWO reasons for fitting a non-return valve on the cold water supply pipe to a mains
pressure storage water heater.
 1
 2
(2 marks)
Total 5 marks

Linkback: https://www.plumbers.nz/plumbing-exam-june-2008/22/question-11/112/


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