49 C.F.R. § 230.51

Number and location.

Last amended: 2017Year: 2026Length: 60 wordsOfficial source

Cite as 49 C.F.R. § 230.51 (2026)

Every boiler shall be equipped with at least two water glasses. The lowest reading of the water glasses shall not be less than 3 inches above the highest part of the crown sheet. If gauge cocks are used, the reading of the lowest gauge cock shall not be less than 3 inches above the highest part of the crown sheet.