Plumbers NZ | Plumbing, Gasfitting and Drainage Community

Support => exam support and downloads => Plumbing, Gas fitting and Drainlaying Apprentice Support => Plumbing Exam June 2008 => Topic started by: LisaS on February 11, 2009, 09:01:54 AM

Plumbers NZ is New Zealand's largest online plumbing, gas and drainage resource. Plumbing exam help, plumbing news, directory and free quotes.

Title: Question 11
Post by: LisaS 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