CT-12H

CTM Self-Contained Marine Air Conditioners are the perfect solution for boats of any size, delivering efficient cooling and heating tailored to each cabin’s unique demands. Designed for performance and durability, self-contained CTM Marine air conditioners ensure a comfortable onboard experience while withstanding the toughest marine environments.

Quiet Operation: Enjoy powerful cooling and heating without the noise.

Durable Design: Titanium circulating coils, stainless steel bolts, and corrosion-resistant pans ensure long-lasting performance.

Compact & Versatile: Rotatable blowers deliver optimal airflow to every corner of the cabin.

Built for efficiency and reliability, CTM self-contained units keep you comfortable on the water, no matter where your adventure takes you.

Self Contained
12,000
BTUs
208-240
Volts
Compact
Titanium Coil
Cooling
Heating
Quiet
Universal Board
Turbo Blower
Modular
Wi-fi Compatible
Robust Electrical Box
Stainless Steel Base
ABS Rust Free Base
Reusable Air Filter
User Manual
Download
Spec Sheet
Download
Easy Start Wiring
Download
U-Board Specs
Download
No items found.
Specifications
Capacity (BTU)
12,000
Voltage (V)
208-240
Cycle (Hz) / Phase (Ph)
50-60 / 1
Input: Cool (A)
4.3
Input: Heat (A)
4.9
Fuse Max/Min (A)
15 / 10
Locked Rotator Amps (A)
23
Seawater Inlet Connection (in/mm)
5/8 / 16
Seawater Outlet Connection (in/mm)
5/8 / 16
Refrigerant Type
R410A
Net Weight (lbs/kg)
50 / 22.7
Width (in/mm)
20 / 508
Height (in/mm)
13.25 / 337
Depth (in/mm)
12 / 305
Duct Ring Size (in/mm)
5 / 127
Min. Return Air Grille (sq in /sq cm)
130 / 839
Min. Supply Air Grille (sq in /sq cm)
70 / 452

Installation Diagram

Explore our installation diagram to understand how CTM Marine units integrate into your vessel.

CT-12H

Seamless swap

Compatible models below
Brand
OEM Part Number
Description
Cruisair
205563555
CRUISAIR STX12-410A 230V 60HZ ONLY
Cruisair
205563550
CRUISAIR STQ12-410A 230V 60HZ
Dometic
205162129
DOMETIC DTG12 230V 50/60HZ 410A
Dometic
205162121
DOMETIC DTU12 230V 60HZ 6MR 410A
Dometic
205162120
DOMETIC DTU12 230V 60HZ 410A
Dometic
205161120
DOMETIC DTU12 220V 50HZ 410A
Dometic
205161121
DOMETIC DTU12 220V 50HZ 6MR 410A
Flagship
20022-111 / 20022-112
FLAGSHIP FM12 12,000 BTU's, 230V, Cool & Heat Only
Flagship
20022-102 / 20022-101
FLAGSHIP FM12 12,000 BTU's, 230V, Cool Only
Marine Air
205563500
MARINE AIR VTD12K-410A 230V 60HZ ONLY
Marine Aire
MSBA11C2
MARINE AIRE 11,000 BTU's, 230V 60Hz
Marine Aire
MSBA14C2
MARINAIRE 14,000 BTUS, 230V 60HZ
Webasto
FCF0012023GS
WEBASTO FCF Classic 12,000 BTU's, 230V
Webasto
5011399A
WEBASTO FCF Platinum 12,000 BTU's, 230V

Compatible With Most Thermostats

Easy Touch

Elite II

Passport I/O

SMXIR