49 CFR 229.111 - Water-flow indicator.

§ 229.111 Water-flow indicator.
(a) Steam generators shall be equipped with an illuminated visual return water-flow indicator.
(b) Steam generators shall be equipped with an operable test valve or other means of determining whether the steam generator is filled with water. The fill test valve may not discharge steam or hot water into the steam generator compartment.

Title 49 published on 2014-10-01

no entries appear in the Federal Register after this date.