8Zone 2Relay Wired Expansion Module
8 hardwired zone expansion module with two relay outputs for powering external devices. This makes the 4229 Zone Expander perfect for users who want to use external hardwired sirens with their VISTA System. Each.
All Other BranchesNot in stock
Provides 8 end-of-line supervised zones and 2 on-board programmable form C relays
Connection made to the control's console wires
Supported on VISTA-20HW