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The George Risk Industries 129A-W is a miniature surface-mount contact designed for use in security and access control installations. This unit ships with a cover included and is finished in white to blend with light-colored door and window frames. Surface contacts of this type are used to detect the opening or closing of a door or window by breaking or completing a circuit when the two contact halves separate. Licensed alarm installers and low-voltage security technicians are the primary trade professionals who specify and install this component.
The 129A-W is suited for residential and light commercial security system installations. It mounts directly to the surface of a door or window frame without requiring routing or mortising, making it a straightforward retrofit or new-construction option. The white finish makes it a natural fit for interior doors, window casings, and trim where a low-profile, unobtrusive appearance is required.
Designed as an OEM-style surface contact for use in residential and light commercial door and window security alarm circuits.
Installation is typically performed by licensed low-voltage security technicians in accordance with local alarm and electrical codes. Power down or disarm the alarm panel before wiring the contact into the zone circuit. Mount the magnet and contact halves in alignment on the door or window and its frame, ensuring the gap between the two halves meets the manufacturer's specified operating range. Avoid mounting on metal surfaces that may interfere with magnet performance without using an appropriate spacer.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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