Where can I look up fire prevention related codes and regulations?
The Massachusetts Department of Fire Services provides an index of 502 CMR and 527 CMRregulations on their website. We have also included regulations regarding outdoor hydronic heaters. Click on the links below to view them. Please note that these are unofficial versions of the regulations that are provided as a convenience to the public. DFS uses its best efforts to update these documents, but for official use you should contact the Secretary of the Commonwealth’s office.