ONORM B 8131-1983
Closed water heating Systems; requirements for safety construction, and testing

Standard No.

ONORM B 8131-1983

Release Date

1983

Published By

AT-ON

Latest

ONORM B 8131-1983

Scope

This “NORM” is to be used for closed water heaters with natural or forced circulation.

ONORM B 8131-1983 history

• 1983 ONORM B 8131-1983 Closed water heating Systems; requirements for safety construction, and testing