Smoke detectors/alarms and carbon monoxide detectors/alarms shall be listed as required by 780 CMR Chapter 9.
780 CMR, ch. 31, 3116, 3116.12
Smoke detectors/alarms and carbon monoxide detectors/alarms shall be listed as required by 780 CMR Chapter 9.
780 CMR, ch. 31, 3116, 3116.12