Manual and automatic gas selector devices for use with gas-fired appliances.

CSA ANSI Z21.104:2019 pdf download

admin Nov 27 , 2021 ANSI Standards No Comment

CSA ANSI Z21.104:2019 pdf download.Manual and automatic gas selector devices for use with gas-fired appliances. 1.1 CSA ANSI Z21.104 applies to newly produced gas selector devices (see Clause 3), herein after referred to as a “device”, constructed entirely of new,...