4208EX - V-Plex® Eight-Zone Expander
SKU: 4208EX

4208EX - V-Plex® Eight-Zone Expander
SKU: 4208EX
The 4208EX is an eight-zone expander that allows the use of available expansion zones on Honeywell Home VISTA controls that support V-Plex® polling loop devices. This V-Plex Expander is ULC Listed for high security burglary and fire monitoring applications.
Product Overview
- Can be used on controls that support V-Plex
- Can be optionally powered from an external DC power supply to reduce the amount of current draw from the polling loop
- Uniquely identified eight EOLR supervised zones
- Each zone is identified by a unique serial number, which is assigned via on-board DIP switches
- Detects faults on all zones within 400ms of occurence
- Loops A & B can be programmed for fast (10ms) response
- Provides cover tamper protection, which may be enabled or disabled via onboard DIP switches
How to Get Started

1. Create a Pro Portal Account
INSTALLERS:
Check with your company admin to get an invite to your company's profile, then create your own account.
COMPANY ADMINS:
If your company does not have a Pro Portal yet, have your company admin sign up here.
Make sure you update your company information and simply upload your company logo.
2. Get the App
Simplify the installation for your technicians and homeowners. Download the App here.
Note: Resideo Pro App currently works with T5 & T6 smart Thermostats
3. Install
Use the Resideo Pro App to install T6 Pro Smart Thermostat in homes, which will associate those homes to your company. Then you'll be able to select which homeowners see your logo based on the pricing per household (consumer will not be charged).