Showing 1–16 of 1276 results

  • ecobee EB-RSHM2PK-01 SmartSensor Remote Thermostat Sensor, 2-Pack

    ecobee EB-RSHM2PK-01 SmartSensor Remote Thermostat Sensor, 2

    $97.00

    In stock

    Add to cart
  • GRI 4561 Mercury Tilt Sensor Switch

    GRI 4561 Mercury Tilt Sensor Switch

    $24.96

    In stock

    Add to cart
  • GRI GR3045CT Panic Switch Set, Cold Temperature with 12' Jacket Cable

    GRI GR3045CT Panic Switch Set, Cold Temperature with 12̸

    $89.76

    In stock

    Add to cart
  • GRI T8005 Fixed Temperature Sensor, SPST, 48VDC, 64°C, 147°F Max Temperature

    GRI T8005 Fixed Temperature Sensor, SPST, 48VDC, 64°C, 147Â

    $73.56

    In stock

    Add to cart
  • DSC PG9945 PowerG Wireless Door and Window Contact

    DSC PG9945 PowerG Wireless Door and Window Contact with Auxi

    $53.62

    In stock

    Add to cart
  • DSC PG9307 PowerG Recessed Wireless Door and Window Contact

    DSC PG9307 PowerG Recessed Wireless Door and Window Contact

    $76.86

    In stock

    Add to cart
  • DSC PG9945 PowerG Wireless Door and Window Contact

    DSC PG9945 PowerG Wireless Door and Window Contact with Auxi

    $50.23

    In stock

    Add to cart
  • DSC PG9312 PowerG Outdoor Wireless Door and Window Contact

    DSC PG9312 PowerG Outdoor Wireless Door and Window Contact w

    $95.63

    Only 4 left in stock

    Add to cart
  • SC PG9309 PowerG Commerical Wireless Door and Window Contact

    DSC PG9309 PowerG Commerical Wireless Door and Window Contac

    $59.14

    In stock

    Add to cart
  • DSC WS4945-4955MAG Wireless Door/Window Contact, 433MHz

    DSC WS4945NA/EU Hardware Package

    $14.50

    Only 9 left in stock

    Add to cart
  • GRI 6644 Magnetic Contact Resistor Pack

    GRI 6644 Magnetic Contact Resistor 10 Pack, 2-1K, 1/8W

    $54.00

    In stock

    Add to cart
  • GRI CB-875-BL 7/8" Wire Run Plug, Black 100 Pack

    GRI CB-875-BL 7/8″ Wire Run Plug, Black 100 Pack

    $56.03

    In stock

    Add to cart
  • GRI 20RS-T-W 20RS-T Series 3/8" Short Press Fit Recessed

    GRI 20RS-T-W 3/8″ Short Press Fit Recessed Switch Set

    $80.19

    In stock

    Add to cart
  • GRI N20RS-T N Series Switch Set, MM-400 Rare Earth Magnet Paired with S20RS-T-W Press to Fit Contact, White (Min Order Qty of 10)

    GRI N20RS-T Switch Set MM-400 Magnet with S20RS-T-W Contact

    $95.04

    In stock

    Add to cart
  • GRI MM-600 Rare Earth Might Magnet

    GRI MM-600 Rare Earth Might Magnet, 5/8″ Diameter x 1/

    $42.53

    In stock

    Add to cart
  • GRI 29A 29 Series Surface Mount Magnetic Reed Switch Set

    GRI 29A Surface Mount Magnetic Reed Switch Set, White

    $15.32

    In stock

    Add to cart

Protect your home or business from uninvited guests.