Skip to main content
eBay Home

Shop by category

Advanced
    • Daily Deals
    • Brand Outlet
    • Help & Contact
    • Get an extra 15% off
    • Sell
    • WatchlistExpand Watch List
      Loading...
      Sign in to see your user information
    • My eBayExpand My eBay
      • Summary
      • Recently Viewed
      • Bids/Offers
      • Watchlist
      • Purchase History
      • Buy Again
      • Selling
      • Saved Searches
      • Saved Sellers
      • My Garage
      • Messages
      • Collection beta
      • The eBay vault
    • Expand Cart
      Loading...
      Something went wrong. View cart for details.
    {"delay":300}

    There seems to be a problem serving the request at this time

    breadcrumb

    • eBay
    • System Sensor

    System Sensor

    Side Refine Panel

    Shop by Category

    • System Sensor Fire Alarms
    • System Sensor Industrial Smoke Detectors
    • All

    • Auction

    • Buy It Now

    • Best Match
    • Time: ending soonest
    • Time: newly listed
    • Price + Shipping: lowest first
    • Price + Shipping: highest first
    • Distance: nearest first
    • Gallery View

    23,099 Results

    • System Sensor P2WL Horn Strobe - White

      System Sensor P2WL Horn Strobe - White

      (1)1 product ratings - System Sensor P2WL Horn Strobe - White
      $38.99
      Free shipping
    • System Sensor SpectrAlert Classic P241575 Fire Alarm Horn Strobe

      New ListingSystem Sensor SpectrAlert Classic P241575 Fire Alarm Horn Strobe

      $29.99
      Free shipping
    • System Sensor Spectralert Fire Alarm 14N225

      System Sensor Spectralert Fire Alarm 14N225

      (1)1 product ratings - System Sensor Spectralert Fire Alarm 14N225
      $65.00
      Trending at $66.00eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.
      Free shipping
    • System Sensor 5601P Heat Detector

      System Sensor 5601P Heat Detector

      Free Shipping on orders over $75
      (8)8 product ratings - System Sensor 5601P Heat Detector
      $18.29
      Was: $23.33
      $5.00 shipping
      118 sold
    • (2) System Sensor CO1224T RealTest Gas CO Detector

      New Listing(2) System Sensor CO1224T RealTest Gas CO Detector

      $139.99
      Free shipping
      or Best Offer
    • (8) System Sensor CO1224T RealTest Gas CO Detector

      New Listing(8) System Sensor CO1224T RealTest Gas CO Detector

      $499.99
      Free shipping
      or Best Offer
    • System Sensor 2100RFADT

      System Sensor 2100RFADT

      $20.00
      Free shipping
      Only 1 left!
    • System Sensor SWL Wall Mount Strobe, White

      System Sensor SWL Wall Mount Strobe, White

      $12.00
      0 bids
      $6.00 shipping
      Ending Saturday at 11:08AM PST3d 17h
      or Best Offer
    • *NIB* *New* System Sensor SCWL-CLR-ALERT Ceiling Strobe Alert White

      *NIB* *New* System Sensor SCWL-CLR-ALERT Ceiling Strobe Alert White

      (1)1 product ratings - *NIB* *New* System Sensor SCWL-CLR-ALERT Ceiling Strobe Alert White
      $39.95
      Free shipping
      or Best Offer
    • System Sensor P2WH-LF 24V Low Frequency Sounder Horn Strobe, 2-Wire High Candela

      System Sensor P2WH-LF 24V Low Frequency Sounder Horn Strobe, 2-Wire High Candela

      $26.50
      $9.55 shipping
      or Best Offer
    • System Sensor MP-SF Semi-Flush Mounting Trim Plate for MA/MAS/SS Alarm Devices

      System Sensor MP-SF Semi-Flush Mounting Trim Plate for MA/MAS/SS Alarm Devices

      $13.99
      Free shipping
    • System Sensor SPSCW Ceiling Mount Speaker Strobe

      System Sensor SPSCW Ceiling Mount Speaker Strobe

      (2)2 product ratings - System Sensor SPSCW Ceiling Mount Speaker Strobe
      $40.99
      Trending at $46.40eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.
      Free shipping
    • System Sensor CO1224T Carbon Monoxide Detector (Exp. 12/2031)

      New ListingSystem Sensor CO1224T Carbon Monoxide Detector (Exp. 12/2031)

      $55.99
      Free shipping
    • System Sensor PC2RL 2-Wire Ceiling Mountable Horn Strobe - Red FREE SHIPPING

      System Sensor PC2RL 2-Wire Ceiling Mountable Horn Strobe - Red FREE SHIPPING

      (1)1 product ratings - System Sensor PC2RL 2-Wire Ceiling Mountable Horn Strobe - Red FREE SHIPPING
      $25.50
      Trending at $40.00eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.
      Free shipping
      or Best Offer
      4 watching
    • System Sensor P2RK Horn/Strobe Outdoor

      New ListingSystem Sensor P2RK Horn/Strobe Outdoor

      $65.00
      $13.40 shipping
      or Best Offer
    • System Sensor SpectrAlert  Horn/Strobe Weatherproof Combo - RED - P2415 (BS-482)

      System Sensor SpectrAlert Horn/Strobe Weatherproof Combo - RED - P2415 (BS-482)

      $30.00
      $6.40 shipping
      or Best Offer
    • System Sensor P241575 Fire Alarm (bs-396)

      System Sensor P241575 Fire Alarm (bs-396)

      (3)3 product ratings - System Sensor P241575 Fire Alarm (bs-396)
      $20.00
      $6.40 shipping
      or Best Offer
    • System Sensor Selectable Output Low Frequency Sounder Strobe - P2WL-LF

      System Sensor Selectable Output Low Frequency Sounder Strobe - P2WL-LF

      $37.20
      0 bids
      $6.00 shipping
      Ending Saturday at 11:03AM PST3d 17h
      or Best Offer
    • SYSTEM SENSOR SPCWL WHITE CEILING MOUNT FIRE ALARM SPEAKER BRAND NEW IN BOX

      SYSTEM SENSOR SPCWL WHITE CEILING MOUNT FIRE ALARM SPEAKER BRAND NEW IN BOX

      (1)1 product ratings - SYSTEM SENSOR SPCWL WHITE CEILING MOUNT FIRE ALARM SPEAKER BRAND NEW IN BOX
      $29.99
      Trending at $51.99eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.
      Free shipping
    • System Sensor Spectralert S121575 Red Wall Strobe

      System Sensor Spectralert S121575 Red Wall Strobe

      $15.90
      $6.35 shipping
    • System Sensor SRL Wall Strobe Fire Alarm - Red

      System Sensor SRL Wall Strobe Fire Alarm - Red

      $29.50
      $5.93 shipping
    • NIB System Sensor Spectralert S121575 Red Wall Strobe STOCK 5518

      NIB System Sensor Spectralert S121575 Red Wall Strobe STOCK 5518

      $23.74
      Was: $24.99
      Free shipping
      or Best Offer
    • SYSTEM SENSOR B200S-LF-WH "NEW"

      SYSTEM SENSOR B200S-LF-WH "NEW"

      $99.00
      Free shipping
      or Best Offer

    Results Pagination - Page 1

    1. 1
    2. 2
    3. 3
    4. 4
    5. 5
    6. 6
    7. 7
    8. 8
    9. 9
    10. 10

    Additional site navigation

    • About eBay
    • Announcements
    • Community
    • Security Center
    • Seller Center
    • Policies
    • Affiliates
    • Help & Contact
    • Site Map
    Copyright © 1995-2023 eBay Inc. All Rights Reserved. Accessibility, User Agreement, Privacy, Payments Terms of Use, Cookies, Your Privacy Choices and AdChoice