Honeywell Ademco 4229 8 Zone Expander with Relays
The 4229 Honeywell Ademco 8 Zone Expander with Relays supplies you with 8 end-of-line supervised zones as well as 2 on-board programmable form C relays.Quick connection made to the control's console wires.Designed to be supported on Honeywell's Ademco VISTA-20HW home security systems.