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Gentex 9120 Photoelectric Smoke Detector w/ Piezo

Out of stock*
90 Days

*Pricing subject to change upon availability

Product Description

The Gentex 9120 is a Photoelectric Smoke Alarm with 90dBA continuous piezo horn.

120VAC with 9VDC battery back-up

Can be used alone or in tandem with up to 12 Gentex tandem-capable devices.

p/n 917-0001-002

Please note: All parts should be installed and tested by a certified fire alarm company.

Questions (3)

What is the voltage specifications of the Gentex 9120?
Operating Voltage: 120VAC, 60Hz
Secondary Power Source: Alkaline 9VDC battery
What if I need to return this?
All products are covered by our 90-day warranty and come with a prepaid UPS return label and RMA form. Returning products has never been this easy.
What if I need support?
Our friendly team is on hand with expert advice and assistance. Contact us Mon-Fri 8am-8pm by phone (888.303.2656), by email ( or using our online chat. Responses within 1 business day (if not sooner!)