StacksVerified U.S. regulatory reference

46 CFR §53.12-1

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)The instruments, fittings and controls for heating boilers must be as indicated in HG-600 through HG-640 of Section IV of the ASME BPVC (incorporated by reference; see § 53.01-1) except as noted otherwise in this section.
  2. (b)For control systems for automatic auxiliary heating equipment, the requirements in part 63 of this subchapter govern and must be followed.