Projects of NA 041-01-45 AA

DIN 4753-3 2026-05-27 Water heaters, water heating installations and storage water heaters for drinking water - Part 3: Corrosion protection on the water side by enamelling and cathodic protection - Requirements and testing More  Comment 
DIN EN 12897-1 2024-07-29 Water supply - Indirectly heated unvented (closed) hot water storage tanks - Part 1: General specifications and common test methods; German and English version prEN 12897-1:2026 More  Comment 

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