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  • CSA ANSI Z21.22-1999

CSA ANSI Z21.22-1999

Relief Valves for Hot Water Supply Systems

CSA Group, 01/01/1999

Publisher: CSA

File Format: PDF

$122.00$245.83


Published:01/01/1999

This standard covers the safe operation, substantial and durable construction, and acceptable performance of relief valves for hot water supply systems. Same as CSA 4.4-M99.

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