E-1.1, r. 1 - Regulation respecting energy conservation in new buildings

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147. Service hot water storage tanks shall be insulated in conformance with the requirements of section 109 applicable to the insulation of pipes of 8 in nominal size and larger.
Sections 143 and 144 also apply, with the necessary modifications, to service hot water storage tanks.
O.C. 89-83, s. 147.