CT-12

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
100-120
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)
100-120
Cycle (Hz) / Phase (Ph)
50-60 / 1
Input: Cool (A)
8.7
Input: Heat (A)
10.8
Fuse Max/Min (A)
25 / 16
Locked Rotator Amps (A)
43
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-12

Seamless swap

Compatible models below
Brand
OEM Part Number
Description
Cruisair
205561500
CRUISAIR STQ12-410A 115V 60HZ
Cruisair
205561555
CRUISAIR STX12-410A 115V 60HZ ONLY
Dometic
205160128
DOMETIC DTG12 115V 50/60HZ 410A
Dometic
205160121
DOMETIC DTU12 115V 60HZ 410A
Dometic
205160120
DOMETIC DTU12 115V 60HZ 410A
Flagship
20022-001
FLAGSHIP FM12 12,000 BTU's, 115V, Cool Only
Flagship
20022-011
FLAGSHIP FM12 12,000 BTU's, 115V, Cool & Heat Only
Marine Air
205561500
MARINE AIR VTD12K-410A 115V 60HZ ONLY
Marine Aire
MSBA14K2
MARINAIRE 14,000 BTUS, 115V 60HZ
Webasto
5011398A
WEBASTO FCF Platinum 12,000 BTU's, 115V
Webasto
FCF0012000GS
WEBASTO FCF Classic 12,000 BTU's, 115V

Compatible With Most Thermostats

Easy Touch

Elite II

Passport I/O

SMXIR