Sec. 755.022.  EXEMPTIONS FOR CERTAIN BOILERS.  (a)  This chapter does not apply to:
(1)  boilers owned or operated by the federal government;
(2)  pressure vessels or process steam generators, other than steam collection or liberation drums of process steam generators;
(3)  manually fired miniature boilers that:
(A)  are constructed or maintained for locomotives, boats, tractors, or stationary engines only as a hobby for exhibition, recreation, education, or historical purposes and not for commercial use;
(B)  have an inside diameter of 12 inches or less or a grate area of two square feet or less; and
(C)  are equipped with a safety valve of adequate size, a water level indicator, and a pressure gauge;
(4)  boilers that are designed for operation only at atmospheric pressure and that are equipped with two independent means to prevent the buildup of pressure;
(5)  steam cookers; or
(6)  espresso machines.
(b)  Heating boilers used to heat buildings that are exclusively for residential use and that have accommodations for not more than four families are exempt from Sections 755.025, 755.027, 755.029, and 755.030.
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.  Amended by Acts 1995, 74th Leg., ch. 498, Sec. 1, eff. Aug. 28, 1995;  Acts 1999, 76th Leg., ch. 352, Sec. 2, eff. Sept. 1, 1999.
Amended by: 
Acts 2013, 83rd Leg., R.S., Ch. 88 (S.B. 506), Sec. 2, eff. May 18, 2013.
Acts 2017, 85th Leg., R.S., Ch. 284 (H.B. 3257), Sec. 2, eff. May 29, 2017.