{"data":{"id":"us/46-cfr-53.12-1","jurisdiction":"us","citation":"46 CFR 53.12-1","heading":"-1 General (modifies HG-600 through HG-640).","body":"(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.\n(b) For control systems for automatic auxiliary heating equipment, the requirements in part 63 of this subchapter govern and must be followed.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER F—MARINE ENGINEERING","PART 53—HEATING BOILERS","Subpart 53.12—Instruments, Fittings, and Controls (Article 6)"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"d63461e6346ff317d1ebbfee16b2c9291d09f0e97e9de58c6a1f145735ea0dd2","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-53.10-15","next":"us/46-cfr-54.01-1"},"notice":"GroundRules: Original legal text. Not legal advice."}