229 Neb. Admin. Code, ch. 23, § 013
Current through September 17, 2024
Boilers not exceeding twelve inches internal diameter and having less than ten square feet of heating surface need not have more than two (2) one-inch openings for clean-outs, one of which may be used for the attachment of the blow-off valve.
These openings shall be opposite to each other where possible.
229 Neb. Admin. Code, ch. 23, § 013