[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR119.320] [Page 361] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 119_MACHINERY INSTALLATION--Table of Contents Subpart C_Auxiliary Machinery Sec. 119.320 Water heaters. (a) A water heater must meet the requirements of Parts 53 and 63 in subchapter F of this chapter if rated at not more than 689 kPa (100 psig) and 121[deg] C (250[deg] F), except that an electric water heater is also acceptable if it: (1) Has a capacity of not more than 454 liters (120 gallons): (2) Has a heat input of not more than 58.6 kilowatts (200,000 Btu per hour); (3) Is listed by Underwriters Laboratories (UL) under UL 174, ``Household Electric Storage Tank Water Heaters,'' UL 1453, ``Electric Booster and Commercial Storage Tank Water Heaters,'' or other standard specified by the Commandant; and (4) Is protected by a pressure-temperature relief device. (b) A water heater must meet the requirements of Parts 52 and 63 in subchapter F of this chapter if rated at more than 689 kPa (100 psig) or 121[deg] C (250[deg] F). (c) A water heater must be installed and secured from rolling by straps or other devices to the satisfaction of the cognizant OCMI. [CGD 85-080, 61 FR 922, Jan. 10, 1996, as amended at 62 FR 51352, Sept. 30, 1997