Frequently Asked Questions

How Do I Add an External Antenna to a VISTA-21iPLTE?
The VISTA-21iPLTE supports compatible plug-in cellular modules. You can add an antenna to these cellular plug-in modules. Learn how to use an antenna with a VISTA-21iPLTE.
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Why Can't I Set My Honeywell T6 Pro Z-Wave Thermostat to Permanent Hold?
If you pair a T6 Pro Z-Wave Thermostat with an interactive automation platform, then you can no longer set a permanent hold locally at the thermostat. Learn about the T6 Pro.
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Can I Install a Smart Switch Without a Neutral Wire?
Not all smart switches require a neutral wire. You can achieve a complete smart lighting setup using Lutron Caseta, no neutral required! Learn about smart lighting with Lutron.
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How Do I Change Out The PROM Chip On My VISTA 20P?
Power down the panel completely. Remove the old chip using a paperclip or chip puller. Insert the new chip. Press it firmly into place. Power the panel back up and test.
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What is a Honeywell Home LTE-21A?
By adding a Honeywell Home LTE-21A AT&T LTE Communicator to your Honeywell Home VISTA 21iPLTE, you will be making the system dual-path ready. Learn about the LTE-21A.
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What is a Honeywell Home LTE-21V?
If you are looking to add LTE connectivity to your VISTA 21iPLTE System, then the Honeywell Home LTE-21V is a great option. Learn about the Honeywell Home LTE-21V.
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VISTA 21iPLTE vs. VISTA 20P
Only the VISTA 21iPLTE has a built-in IP communicator and can support plug-in LTE communication modules. Learn the difference between a VISTA 21iPLTE and a VISTA 20P.
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VISTA 21iPLTE vs. VISTA 21iP
The only difference between the VISTA 21iPLTE and 21iP is that the 21iPLTE can support the LTE-21V and LTE-21A plug-in LTE communicators. Learn about the 21iPLTE and the 21iP.
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What Is The Best Cellular Communicator for a VISTA 21iPLTE?
The VISTA 21iPLTE supports plug-in LTE communicators. These plug-in modules are designed exclusively for VISTA 21iPLTE Panel. Learn about the VISTA 21iPLTE Cellular Communicators.
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How Many Zones Does a VISTA 21iPLTE Have?
On a Honeywell Home VISTA 21iPLTE, you can have up to 64 zones. Of these zones, up to 56 can be wireless, and up to 48 can be hardwired. Learn about the VISTA 21iPLTE.
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