This standard mainly applies to temperature limiters (hereinafter referred to as limiters) for the purpose of preventing overheating of hot water boilers, small oil water heaters, and hot water heat exchangers, and temperature regulators for the purpose of controlling hot water temperature. () (hereinafter referred to as the controller) is specified. However, this is limited to those that detect hot water temperature by inserting a temperature sensing part into the boiler itself.
JIS B 8413:1994 history
1994JIS B 8413:1994 Temperature limiters and thermostats for hot water boilers