Brand: Safe-T-Alert
Safe-T-Alert FX-4 Marine Carbon Monoxide Alarm, 2-Pack
Safe-T-Alert FX-4 Marine Carbon Monoxide Alarm, 2-Pack
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About this product
The Safe-T-Alert FX-4 is a hard-wired carbon monoxide alarm for marine use, powered by a boat’s DC electrical system or marine-grade batteries. This two-pack replaces Fireboy-Xintex CMD-4M and CMD-3M alarms.
- Operating range: 13.8 VDC ±15%; low-voltage warning at 8V
- Alarm mute button silences the alarm while the boat is ventilated; the sensor resets or reactivates if dangerous CO levels remain
- 85 dB alarm
- Case dimensions: 2.5 in. W x 3.5 in. H x 1.25 in. D
- Conforms to ANSI/UL 2034 for marine use; meets ABYC A-24 and is an NMMA-listed component
- Full five-year service life
- No batteries to replace when powered by the boat’s DC electrical system
- Generator shutdown: No
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-107562
- Model / MPN
- FX-4MARINE2-PACK
- Package dimensions (H × W × L)
- 2" X 8" X 10"
- Package weight
- 1.2 lb
- Country of origin
- UNITED STATES
Specifications
- Fume Type
- Carbon Monoxide
- Voltage - Input Range (Volts)
- 12v
- Generator Shutdown
- No
- Operating Voltage
- 13.8 VDC ±15% operational range; low-voltage warning at 8V
Shipping & returns
Shipping & returns
Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.
Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
