Section 62. Miscellaneous provisions

1. An existing sprinkler installation,
  fire  alarm,  watchman's  clock  or fire-detecting system which has been
  approved or accepted by the department having jurisdiction and installed
  before July first, nineteen hundred fifty-two, in conformity with  rules
  and  regulations  adopted  by the commission, shall, after inspection by
  the said department, be deemed to be in compliance with the requirements
  of this chapter.
    2. Where a sprinkler system is required by this article,  such  system
  shall  be  constructed  to  fuse  at  a  temperature not higher than one
  hundred sixty-five degrees Fahrenheit, spaced so as to protect the  area
  which is required to be sprinklered.
    3.  In  furnace, boiler, laundry rooms and other parts of the dwelling
  where high temperature usually prevails, sprinkler heads may fuse  at  a
  higher  temperature.  Where  such rooms are located at least thirty feet
  distant from such dwelling, no sprinklers shall be required.
    4. Except as otherwise provided in sections fifty-two and  fifty-five,
  an  approved  fire-detecting  system  shall  be  accepted as meeting any
  requirement for a sprinkler system under this article.