Showing 1–16 of 725 results

  • GRI 100-T-B-GEN 100 Series Miniature Surface Mount Switch Set with Terminals

    GRI GI-E19912WGW 1″ Steel Door Recessed Switch Set, Wi

    $33.06

    Only 19 left in stock

    Add to cart
  • Tamper Switch Closed Loop with Clamp and 24" Wire Leads

    GRI TSC-20-24 Tamper Switch Closed Loop with Clamp and 24

    $21.45

    Only 16 left in stock

    Add to cart
  • Standard gap 1-1/4" (32mm) Spaces, covers and screws included Cover conceals end of line resistor (EOL)

    Resideo 7939WG-WH MPS20 Surface Mount Magnetic Contact with

    $21.88

    In stock

    Add to cart
  • Honeywell Home PROSIXCT-BR Pro Series Door/ Window Sensor for 2-Way Wireless Technology, Brown

    Honeywell Home PROSIXCT-BR Pro Series Door/ Window Sensor fo

    $31.25

    Only 1 left in stock

    Add to cart
  • Honeywell Home 958M Magnet for Overhead Door Contact

    Honeywell Home 958M Magnet for Overhead Door Contact

    $31.24

    Only 1 left in stock

    Add to cart
  • Honeywell Home 7945-2GY XTP Surface Mount Magnetic Contact with Leads, SPDT Switch (form C), 2-1/2" Wide Gap, Gray

    Honeywell Home 7945-2GY XTP Surface Mount Magnetic Contact w

    $37.49

    Only 1 left in stock

    Add to cart
  • Honeywell Home MINIMAGBRN Mini Spare Magnet Senors for PROSIXMINI2, 10-Pack, Brown

    Honeywell Home MINIMAGBRN Mini Spare Magnet Senors for PROSI

    $19.99

    Only 1 left in stock

    Add to cart
  • mini surface mount contact

    940 – Ademco Surface Mount Contacts (White)

    $20.86

    In stock

    Add to cart
  • replacement magnet

    Resideo 943WG-WH-M Replacement Magnet Only, White (10 pack )

    $91.12

    In stock

    Add to cart
  • miniature magnetic contact

    Honeywell 951WG-WH Stubby Recessed Magnetic Contact Switch

    $19.99

    In stock

    Add to cart
  • DSC Security WS4945 Wireless Alarm Door Window Contact Transmitter

    DSC Security WS4945 Wireless Alarm Door Window Contact Trans

    $54.95

    In stock

    Add to cart
  • Honeywell Ademco 958 Overhead Door Contacts

    Honeywell Ademco 958 Overhead Door Contacts

    $35.81

    In stock

    Add to cart
  • door window contact

    DSC PG9303 – Wireless PowerG Door/Window Contact…

    $44.16

    In stock

    Add to cart
  • door window sensor

    Elk ELK-6020 Two-Way Wireless Slim Line Door and Window Sens

    $58.70

    In stock

    Add to cart
  • door window transmitter

    5815 – Honeywell Wireless Door Window Transmitter

    $40.45

    In stock

    Add to cart
  • door and window sensor

    PROSIXMINI Proseries Six Wireless Mini Flat Door/Window Sens

    $41.24

    In stock

    Add to cart