To section M1801.3.1 Size add the following exception:
Exception:
Installation of replacement appliances below an eighty-five percent (85%) AFUE rating shall be exempt from the requirement of installing a new chimney liner and must meet the manufacturer's recommendations for installation in an unlined chimney.
510 R.I. Code R. 510-RICR-00-00-2.17
Amended effective 2/1/2022