All fuel oil burners used in connection with hot water and steam heating systems shall be equipped with a pressurestat or some approved automatic device to reduce or extinguish the fire in the event of undue pressure within the boiler.
MCL 125.572
All fuel oil burners used in connection with hot water and steam heating systems shall be equipped with a pressurestat or some approved automatic device to reduce or extinguish the fire in the event of undue pressure within the boiler.
MCL 125.572