CSA ANSI Z21.71a-2005 (R2021) PDF
Details test and examination criteria for automatic intermittent pilot ignition systems designed to be adapted to existing continuous pilot burners on listed forced air heating appliances and boilers equipped with atmospheric burners. These systems may include pilot igniters and cables, pilot flame sensors, associated system controls, two automatic valves in series controlling main burner gas, associated system wiring and pressure regulators. This standard does not apply to a system for use on appliances equipped with power burners or to direct vent appliances.
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