Versions of See prior versions of a law on LawServer 2024 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2023 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2022 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2020 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2019 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2017 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2016 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2015 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2014 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2013 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings 2009 Massachusetts General Laws ch. 142 sec. 19 – Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings