Installation of low pressure thermal storage electric water heaters with copper cylinders (open-vented systems)

Published by	Publication Date	Number of Pages
NZS	06/30/1985	22

Category: NZS

Description

NZS 4603 – Installation of low pressure thermal storage electric water heaters with copper cylinders (open-vented systems)

Applies to the installation in the vertical position of thermal storage electric water heaters complying with NZS 4602 and designed to work on pressures not exceeding 120 kPa (12.0 m head). It is restricted to systems with open vents. Applies also to hot water reticulation systems, to dual systems, and to the use of wetbacks or similar water heaters which supply hot water to the cylinder, supplementing the heat derived from the electric element. Solar assisted systems are not covered.