No person shall use, allow to be used, sell or offer for sale any unvented liquid fired space heater. Whoever violates the provisions of this section shall be punished by a fine of not more than one hundred dollars.
Mass. Gen. Laws ch. 148, § 5A
Unvented liquid fired space heaters; use or sale prohibited
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.