A-20.01, r. 1 - Regulation respecting pressure vessels

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3. Sections 14, 16 and 18 of the Act do not apply to the installation of the following vessels nor to an addition to or modification of their piping:
(1)  air tanks whose diameter is 0.61 m or less or whose volume is 0.35 m3 or less;
(2)  hot water or thermal fluid low-pressure boilers whose wet heating surface is 10 m2 or less or whose power is 200 kW or less;
(3)  hot water tanks whose diameter is 0.92 m or less;
(4)  the components of a refrigeration plant whose total compressor motor power is 20 kW or less.
O.C. 2519-82, s. 3; O.C. 977-96, s. 3.