WAC 296-104-300. Installation—What control and limit devices are required on automatically fired boilers prior to June 1989?

All automatically fired steam, vapor, or hot water boilers except boilers having a constant attendant who has no other duties while the boiler is in operation, shall be equipped with: (1) An automatic low-water fuel cutoff; and (2) An automatic water feeding device. (3) All devices shall be designed so that they may be readily tested at frequent intervals.