229 Neb. Admin. Code, ch. 23, § 012
Current through September 17, 2024
Miniature boilers exceeding twelve inches internal diameter or having more than ten square feet of heating surface shall be fitted with not less than three (3) brass washout plugs of one-inch NPS which shall be screwed into openings in the shall near the bottom. In miniature boilers of the closed type system heated by removable internal electric heating elements, the openings for these elements when suitable for cleaning purposes may be substituted for washout openings.
229 Neb. Admin. Code, ch. 23, § 012