NZS 4602 PDF
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Low pressure copper thermal storage electric water heaters
Published by | Publication Date | Number of Pages |
NZS | 05/31/1988 | 16 |
NZS 4602 – Low pressure copper thermal storage electric water heaters
Applies to the design, materials, construction, thermal insulation and performance of thermostatically controlled heaters of 6.5 to 450 L capacity designed for pressures up to 120 kPa (12 mH2O), installed in a vertical position either open-vented to NZS 4603 or valve-vented to NZS 4607.
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