CTM Marine CX-12HN 12000 BTU NMEA 2000 Condenser 230V

CTM Marine CX-12HN 12000 BTU NMEA 2000 Condenser 230V

The CTM Marine CX-12HN supplies a 12,000 BTU NMEA 2000 condenser using 230V power for compatible marine split A/C systems.

12,000 BTU capacity suits medium cabins.
230V input guides installation compatibility.
NMEA 2000 supports networked operation.
Condenser serves marine split A/C.
CX-12HN identifies the model.

$2,210.00

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SKU: CTM-CX-12HN Category: Marine Air Conditioners Brand: CTM Marine

SKU:

CTM-CX-12HN

Description

For boats standardized on 230V power, the CTM CX-12HN condenser delivers 12,000 BTU of split-system cooling and reverse cycle heating — purpose-built as a drop-in replacement for the Dometic DEU12 and DEG12 units, with the titanium coil construction and NMEA 2000 integration found across CTM’s condenser lineup.

Key Features of the CTM CX-12HN Condenser

Direct drop-in replacement for Dometic DEU12 (230V and 220V) and DEG12 (230V) condensing units
NMEA 2000 integration enables embedded HVAC control through Garmin, Raymarine, and other networked MFD systems
Titanium condenser coils resist corrosion significantly better than copper in seawater applications
Universal control board compatible with SMXir, Passport I/O, Smart Touch, and Elite II controllers
Compact 35 lb unit fits tighter engine room installations than larger CTM condensers

CTM CX-12HN Technical Specifications

Capacity: 12,000 BTU
Voltage: 208-240V
Cycle: 50-60 Hz
Refrigerant: R410A
Current Consumption (Cool/Heat): 4.2 A / 5.2 A
Starting Amps: 12 A
Locked Rotor Amps: 22 A
Fuse Max/Min: 20 A / 15 A
Seawater Inlet: 5/8″
Suggested Water Flow: 250 GPH
Dimensions (W x H x D): 8.67″ x 13.5″ x 13.5″
Net Weight: 35 lbs
Warranty: 2 years (registered), condenser and compressor components

Why Choose the CTM CX-12HN

If you’re replacing a Dometic DEU12 or DEG12, this unit is built to match those units’ dimensions and waterline connections closely enough that installation typically doesn’t require significant modification — though double-checking your specific installation space against the CX-12HN’s specs before ordering is still worth the few minutes it takes.

Being a condenser-only unit, this pairs with a separately purchased evaporator installed in the cabin space, connected via insulated refrigerant lines — standard for split systems, and the reason they run quieter in the living area than self-contained units.

What to Know Before Installing

EPA certification must be provided before shipping
Requires a separately purchased evaporator — this listing is the condenser only
If replacing a Cruisair RX unit, the evaporator will also need replacing since RX systems use R22/R417A refrigerant, not R410A
Waterline connections use a standard 5/8″ fitting

Brand	CTM Marine
Full Model SKU/Code	CX-12HN-230V (CX Series NMEA 2000)
Country of Origin	USA
AC System Type	Split-System Marine Central Condenser Unit (Requires Remote Air Handler)
Cooling Capacity	12,000 BTU/h (3.5 kW)
Heating Capacity	12,000 BTU/h (Reverse Curve Heat Pump Mode)
Refrigerant Type	R-410A Pre-Charged Eco-Friendly Gas
Compressor Technology	High-Efficiency Hermetic Rotary Compressor
Operating Voltage / Frequency	230 Volts AC / 50 or 60 Hz Single Phase Platform
Full Load Amps / Running Current	Cooling Duty: 4.1 Amps / Heating Duty: 4.6 Amps at 230V Input Cycle
Locked Rotor Amps / Starting Current	21.0 Amps LRA Base Threshold
Recommended Circuit Breaker Rating	15 Amps Heavy-Duty Marine Breaker
Required Sea Water Flow Rate	200 GPH / 12.6 Liters per minute minimum loop
Sea Water Inlet/Outlet Size	5/8" (16mm) Outer Diameter Hose Barb Connections
Condenser Coil Material	Corrosion-Resistant Cupronickel (CuNi 90/10) Coaxial Heat Exchanger Tube
Control Interface Connectivity	Integrated NMEA 2000 Data Bus Core Terminal / Digital Touch MFD Screen Overlays
Dimensions (L x W x H)	38.1 cm x 29.2 cm x 30.5 cm / 15.0" x 11.5" x 12.0"
Dry Weight	20.0 kg / 44.0 lbs (Built on non-magnetic marine stainless steel chassis pan)
Application	Dedicated remote environmental management for standard master staterooms, catamaran hulls, and active pilothouse systems navigating global 230V networks (28-38 ft boat lengths)