Section 680IAC2-4-19. "Hot water heating boiler" defined  


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  •    "Hot water heating boiler" means a boiler which is used for heating water primarily for space heating purposes and is operated at a pressure not exceeding one hundred sixty (160) psig and a temperature not exceeding two hundred fifty degrees Fahrenheit (250°F). (Boiler and Pressure Vessel Rules Board; 680 IAC 2-4-19; filed Jan 5, 1996, 10:15 a.m.: 19 IR 1120; readopted filed Jul 9, 2001, 1:33 p.m.: 24 IR 3822; readopted filed Sep 21, 2007, 9:16 a.m.: 20071010-IR-680070389RFA; readopted filed Oct 19, 2007, 1:08 p.m.: 20071114-IR-680070389RFA; readopted filed Sep 5, 2013, 10:09 a.m.: 20131009-IR-680130182RFA)