Safe-T-Alert FX-4 Marine Carbon Monoxide Alarm 12V Hardwired

The Safe-T-Alert FX-4 is a low-voltage hardwired carbon monoxide alarm designed specifically for marine environments. This alarm provides continuous CO monitoring powered directly by your boat's DC electrical system, eliminating concerns about missing or dead batteries that can leave you unprotected.

Key Features:

• Full 5-year service life with proven electrochemical sensing technology
• 85 dB alarm provides loud, clear warning of dangerous CO levels
• Alarm mute button with advanced technology silences alarm during ventilation
• Rapid recovery sensor automatically resets when CO clears or reactivates if dangerous levels remain
• Advanced sensor design prevents nuisance alarms that could lead to disconnected detectors
• Hardwired to boat's 12V DC electrical system—no batteries to replace
• Compact design: 2.5" W × 3.5" H × 1.25" D

Certifications & Compliance:

• Conforms to ANSI/UL Standard 2034 for Marine use
• Meets ABYC A-24 standards
• NMMA Listed Component

The FX-4 is an ideal replacement for aging CO alarms including CO Sentinel CMD-4M and CMD-3M models that have reached end of life. Protect your vessel and passengers with reliable, continuous carbon monoxide detection.