How do I reset my Honeywell VISTA-20P?
Andrew Ramirez
Published Feb 26, 2026
How do I reset my Honeywell VISTA-20P?
- Access the alarm’s programming mode by entering the installer code, followed by “8,” “0” and “0,” into the control panel.
- Press the “*” button on the control panel, followed by the “9” and “7” buttons to reset the security system to factory settings.
How many partitions does Vista-20P have?
2 partitions
The Honeywell Vista 20P has 2 partitions and 1 common partition. The common partition allows either of the 2 partitions to be armed while leaving a common area such as a foyer disarmed to have access into another partition. The Vista 20P provides global arming, so the system can be armed from any system keypad.
Is the Ademco Vista 20p a good alarm system?
The Ademco Vista 20P has very good built-in lightning protection, even without an earth ground connection. See why a Vista 20P Ademco Alarm System is such a good choice for the average-size home. More information on Honeywell Security Systems.
What is the wiring diagram for Honeywell Vista 20p?
The image of the Honeywell Vista 20p wiring diagram is small, but you can click to enlarge it. Also, I highly recommend that you download a free copy of the complete Ademco manual, which will include a full-size image of the wiring diagram. It also gives detailed specs and ratings for the system and all its terminals.
How to enter programming mode on Honeywell Ademco?
TO ENTER PROGRAMMING MODE (using an alpha keypad connected to the control) : A. POWER UP, then press [ ] and [#] at the same time, within 50 seconds of powering up (this method must be used if 98 was used to exit program mode). OR B. Initially, key: Installer Code (4 + 1 + 1 + 2) plus 8 + 0 + 0. PROGRAMMING MODE COMMANDS
What can I do with a vista 20p?
VISTA-20P gives you the ability to send alarm signals and upload/download via an Internet Protocol (IP), improving the speed at which information can be delivered to and from the control panel. In addition, the VISTA-20P, used with an AlarmNet® Internet or LTE communicator can be installed in premises without TELCO lines.
The Ademco Vista 20P has very good built-in lightning protection, even without an earth ground connection. See why a Vista 20P Ademco Alarm System is such a good choice for the average-size home. More information on Honeywell Security Systems.
Is the Honeywell Vista 20p a step up from the 15p?
The Ademco Honeywell Vista 20P is a step up from the 15P model and can handle more zones, more user codes, features 2 partition areas and has a larger event memory among numerous other upgrades. If playback doesn’t begin shortly, try restarting your device.
Is the Honeywell Vista SEM compatible with Alarm.com?
And the latest addition to the option for the Honeywell Vista series is the System Enhancement Module (SEM) from Alarm.com. Alarm.com is one of the most popular and feature rich smart home security platforms. The SEM allows Alarm.com to be backwards compatible with the Vista 20P with only a one major feature unavailable: image sensors.