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      • Self-diagnostic Capabililty Continually Monitors Operation
      • Meets NFPA 72 Sensitivity Test Requirements
      • Head and Terminal Base Design
      • Automatic Drift Compensation
      • Field-replaceable Optical Chamber
    Model No : 731U
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
  1. DEAL OF THE DAY: Use code QUICK5 and save 5%
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541ncsrxt
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCSRH
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Attractive and modern design suitable for residential and commercial applications
      • 5 or 8 years battery life (according to the battery type) and easy battery replacement
      • Superior detection sensitivity
      • Sound and transmitted alerts (smoke, tamper, low battery)
      • Audio and visual sensitivity degradation indicators notify when the sensor needs to be cleaned
    Model No : MCT-426
    Low Price Guarantee
    Availability: Usually ships the next business day
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCSXT
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NBXT
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder available in two- and four-wire models
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 521NCSXT
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
  2. DEAL OF THE DAY: Use code QUICK5 and save 5%
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541ncsxte
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCRXT
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Self-diagnostic Capabililty Continually Monitors Operation
      • Meets NFPA 72 Sensitivity Test Requirements
      • Head and Terminal Base Design
      • Automatic Drift Compensation
      • Field-replaceable Optical Chamber
    Model No : 711U

    Special Price

    Regular Price:

    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
  3. DEAL OF THE DAY: Use code QUICK5 and save 5%
      • Built-in sounder available in two- and four-wire models
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 521ncrxt
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCXTE
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Monitors any UL existing smoke detector
      • Does not impact UL or Fire Marshall approval of existing smoke detectors
      • Works with all Interlogix Learn Mode Panels: Simon XT, Simon XTi, NetworX (NX-4, NX-6, NX-8, NX-8E), Concord 4, Concord Express, AdvisorOne and ZeroWire
      • Uses one CR123A long-life lithium battery
      • FCC, IC and ETL listed in US and Canada to UL 985 standard
    Model No : SLX-AD-T3
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NB
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Modern design suitable for residential and commercial applications
      • Activates an alarm when the temperature reaches 60°C (140°F) and starts increasing rapidly
      • Loud (85db) alarm sound at 3m (10ft)
      • 5 or 8 years battery life (according to the battery type) and easy battery replacement
      • 3V lithium battery type
    Model No : MCT-427
    Low Price Guarantee
    Availability: Usually ships the next business day
      • Two-wire or four-wire bases
      • 30 ft (9 m) maximum spacing between detectors
      • Optional CO-sensor, heat-sensor enhanced detection chamber
      • Clean chamber without removal or disassembly
      • CleanMe signaling capability
    Model No : F220-PTH
    Low Price Guarantee
    Availability: Usually ships within 2-3 business days
      • Longer battery life for 5-8 years (in typical use, according to battery type)
      • Provides sound and transmitted alerts (for smoke, tamper, low battery)
      • Loud (85db) alarm sound at 3m (10ft)
      • Simple wall or ceiling installation, with bracket
      • Back tamper
    Model No : SMD-426-PG2
    Low Price Guarantee
    Availability: Usually ships the next business day
      • Connects to the multiplex bus of the FPD-7024 or D7024 Addressable FACP and the DS7400Xi Control Panel
      • Superior dust immunity
      • Exclusive Chamber Check self-diagnostics
      • Automatic sensitivity test features
      • Easy disassembly for cleaning
    Model No : D7050TH
    Low Price Guarantee
    Availability: Usually ships within 2-3 business days
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Items 1 to 18 of 73

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Smoke Detectors
Minimal Price: $32.80

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