Frequently Asked Questions

How Do I Install a 5816OD?
The 5816OD mounting plate is secured to the stationary portion of an outdoor fence, gate or door. The sensor is secured to the this mounting plate. Learn how to install a 5816OD.
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How Do I Change the Battery on a 5816OD?
To change the batteries for a 5816OD, you must first remove its set screw. Then lift off the protective cover, and replace the batteries. Learn to change the 5816OD batteries.
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What is a Smoke/Heat Combination Detector Called?
A sensor that features both smoke and heat detection capabilities is simply called a "smoke and heat detector". Learn about smoke and heat detectors.
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What is Ademco?
Honeywell's security roots can be traced back to Ademco, which began operation in 1929. Honeywell later purchased the company. Learn about the history of Honeywell and Ademco.
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What is a Honeywell K4392V2-H M7240?
Every Honeywell 6150 Keypad and Honeywell 5828 Keypad has a small flip-down door. This door has a part name of Honeywell K4392V2-H M7240. Learn about the 6150 and 5828 Keypads.
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What is a Honeywell K4274V1-H M7274?
On the 6160 Wired Keypad, there is a small flip-down door that covers the push buttons. The part name of this door is the K4274V1-H M7274. Learn about the 6160 Keypad.
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Are There Security Systems Better Than a Honeywell Lyric Alarm System?
The Honeywell Lyric Alarm System is one of the best security panels on the market today. Many consider it the best system available. Learn about the Honeywell Lyric Alarm System.
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Can I Update the Firmware On a Honeywell Lyric Alarm System?
A user can update the firmware on a Honeywell Lyric Alarm System if the panel is connected with the AlarmNet360 servers. Learn how to update the firmware for a Honeywell Lyric.
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Where Can I Buy Alarm Contacts?
Alarm Grid offers all of the door and window contacts you need for your alarm system. We offer door and window sensors of all types. Learn about our alarm contacts.
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Honeywell LTE-XA vs LTE-XV
The LTE-XA and the LTE-XV are both LTE cellular communicators for VISTA Panels. The LTE-XA connects with AT&T, and the LTE-XV connects with Verizon. Learn about these LTE radios.
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