ATTENTION: During the COVID-19 outbreak we are available 8:00am-5:00pm EDT, Monday-Thursday until further notice.
We are still shipping Monday-Thursday at this time.
We're currently experiencing supply chain issues. We're doing our best to expedite shipping, and appreciate your patience.
In stock orders placed now will be shipped next business day.
|Availability||3 Weeks Lead Time|
|Special Shipping Type||No|
Overhead Door Holder 280 Sensaguard
Glynn-Johnson provides a holder/release smoke detector designed
to allow fire doors to remain open for easy passage, while releasing
doors in an emergency. The SensaGuard™ Series 280 features an
internal ionization-type smoke detector, powered by a single
nine-volt battery. Its fail-safe operation automatically releases
the door when battery power drops below 7.2 volts.
Uses a household 9 volt battery.