MTI Industries FX4MARINE FX-4 Marine Surface Mount
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You have 30 days to request a return. All sale items are final sale.
Overview
FX-4 Marine Surface Mount carbon monoxide alarm for marine environments. This slim, surface-mount unit is hard-wired to the vessel’s DC power system, avoiding battery maintenance, and complies with marine safety standards for reliable CO detection in enclosed spaces.
Key Features
- Slim vertical carbon monoxide alarm designed for surface-mount installations
- Hard-wired, low power consumption: 37 mA at 13.8 VDC
- 85 dB alarm with Alarm Mute button for ventilation periods
- Proven sensing technology to minimize nuisance alarms
- ANSI/UL 2034 – Marine compliance; ABYC A-24; NMMA listed
- Operating range: 13.8 VDC ±15%; Temperature range: -40°F to +158°F
- Case size: 2.5"W x 3.5"H x 1.25"D; Mounting bracket 0.25"D
- Alarm point: 400 PPM within 4–15 minutes
Compatible Applications
- Marine vessels requiring carbon monoxide detection
- Enclosed cabins and engine rooms on boats
- Surface-mount installations in marine interiors
- DC-powered hard-wired systems on recreational vessels
Product Details
- Type: Carbon Monoxide Alarm, Surface Mount
- Alarm: 85 dB
- Power: Low voltage hard wired; 37 mA @ 13.8 VDC
- Compliance: ANSI/UL 2034 – Marine; ABYC A-24; NMMA Listed Component
- Alarm Point: 400 PPM; 4–15 minutes
- Operating Range: 13.8 VDC ±15%
- Operating Temp: -40°F to +158°F
- Case Size: 2.5"W x 3.5"H x 1.25"D; Mounting Bracket 0.25"D
- Sensor/Features: Advanced sensing technology; Alarm Mute; Rapid recovery sensor
Parts Desk Insights
Best Use Case: On boats with a DC-powered, hard-wired CO alarm to continuously monitor cabins and engine spaces.
Common Issues: Nuisance alarms are minimized by reliable sensing technology; ensure proper ventilation when silencing and rechecking after alarm; verify power supply remains within 13.8 VDC for consistent performance.
Related Products & Accessories
- Browse related marine CO alarms in the Emergency Signaling & Visibility category - No related products listed for this item. Browse the Emergency Signaling & Visibility category to discover related marine safety devices.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.