The Honeywell 7939-2WH is a white, surface mount door and window contact designed for all Form C SBDT (normally open or normally closed contact) wired alarm systems.
The contact observes a 1" magnet gap. The three-terminal screw system allows for open and closed contact loop installation to your zone circuit. Included spacers can be used for flush mounting if desired.
The 7939-2 model is also available in brown and grey to match your aesthetic preferences. See "Related Products" for more information.
Also known as
- Honeywell Sensors SURF MNT 1 GAP TERM SPDT WHT - 7939-2WH