The classic screw-on door and window contact, one per opening. Good for DIY installers who want the simplest hardwired sensor.
What it does
The 7939WG is a traditional 39 style surface-mount magnetic contact. The switch screws to the frame and the magnet to the moving door or window, with a standard gap of 1.0 in. All mounting accessories are included.
Works with
A normally closed loop device that wires to a zone on the Vista-20P, VISTA H3 and most 12 V hardwired panels.
Why you want it
Plain screw-on mounting makes it easy to install, test and replace.
Specifications
| Works with panels | Any hardwired alarm panel (Vista-15P, Vista-20P, VISTA H3 and others) |
|---|---|
| Type | Surface mount magnetic contact |
| Style | Traditional 39 |
| Standard gap | 1.0 in (25 mm) |
| Color | White |
| Wiring | Normally closed loop |
| Accessories | Included |
