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- 30-day returns on unopened products
Wired Zone Expander / Relay Board
- 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
Specifications
| SKU | HW-4229 |
|---|---|
| Brand | Honeywell |