Function: Cause an alarm any time a fast temperature boost or a particular temperature threshold is achieved. This element is a must have in preserving the architectural integrity of historic structures or in conditions the place nominal disturbance to occupants is vital. Generally 10 years, then they must get replaced https://wireless-fire-alarms75296.estate-blog.com/38158276/fire-alarm-testing-equipment-things-to-know-before-you-buy