CTM Marine CT-16 – 16000 BTU Marine Air Conditioner – 115V – 50/60HZ – Turbo Blower

16,000 BTUs of powerful, quiet, and efficient cooling. 115V. Titanium circulating coils, stainless steel bolts, and stainless steel structural pan with ABS tray ensure long-lasting, corrosion-proof performance in even the toughest of marine environments. Fast & Free US Shipping or Pickup and 2 Year Warranty*. Patent number.: US 12,030,610 B2.

The quiet, powerful, and efficient CTM is a great option for new installs but also works as the perfect drop-in replacement for all major marine A/C brands including Dometic, Webasto, Cruisair, Marine Air, and Mermaid Air. This CTM 16000 BTU marine air conditioner is fully compatible with all Dometic, Cruisair, Marine Air, and Micro Air controls/thermostats and cables, making replacement of those systems a breeze.

CTM has taken nearly a decade of experience as a top-selling marine A/C retailer in the US, and combining this with an understanding of the wants and needs of marine A/C customers — as well as where other major brands could be improved — CTM has created a self-contained marine air conditioner that raises the bar on quality and performance.

Recommended Pumps – CTM PM1000A – 1000 GPH – 115V Centrifugal Pump or CTM PM1000L – 115V Submersible Pump

Also Substitute the following Part Numbers

And while lightweight and with a small footprint, the CTM CT includes titanium circulating coils, a high-velocity rotatable turbo blower (rotates less than 250 degrees), stainless steel bolts, and a stainless steel structural pan with Plastic ABS tray in order to ensure long-lasting, corrosion-proof performance in even the toughest of marine environments.

All CTM Control Boards, Temperature Sensors, and cables are made in the United States under strict quality standards. Every CTM Unit comes with an industry-standard 2-year warranty*, knowledgeable and attentive customer service, and ships ground to you free of charge within the US.

As marine A/C retailers, as well as boaters ourselves, we know what boaters are looking for in a marine A/C system — and this is exactly what the CTM line delivers

Comparison: CTM vs Webasto vs Dometic

Specifications:

Capacity

16,000 BTU

Voltage

100-120 V

Cycle

50-60 Hz

Refrigerant Type

R410A

Starting Amps

29.25 A / 12 A (w/EasyStart)

Current Consumption Cool / Heat

10.3 A / 13.5 A

Locked Rotor Amps

60 A

Fuse Max. / Min.

40 A / 25 A

Blower Airflow

453 CFM

Blower Speed

1400 RPM

High Velocity Blower

Yes

Min. Supply Duct Size

6 / 152 (in/mm)

Seawater Inlet Connection

5/8″ / 16 (in/mm)

Suggested Water Flow

500 GPH

Net Weight

59 lbs / 27 kg

Features of the CTM CT-16

Dimensions:

CTM CT Unit Cooling Efficient Design vs Competitors

Universal Control Board Layout

NEW 2026 CTM Unboxing & Installation Tutorial |CTM) Marine Self-Contained A/C

Compatible with Most Thermostats

Smart Touch / Easy Touch	CTM Elite II	Passport I/O	SMXir

Because the CTM unit comes with the Universal Control board, it should work with the controller you currently have. Supported controllers include the SMXir, Passport I/O, Smart Touch, and Elite II. However, there are some older versions of the SMXir and Passport i/o controllers that don’t have the firmware to work with the new universal board. A newer version of the SMXir or the Passport i/o.

Notes if replacing a Dometic DTU16, DTG16 or ECD16 – 115V

The CTM CT-16 16,000 BTU marine air conditioner works well as a replacement for the Dometic DTG16 – 115V (205160174), DTU16 – 115V (205160160), or ECD16 – 115V (207500316). There are some specs that should be taken into consideration when replacing one of the units previously mentioned.

– Because the CT-16 unit comes with the Universal Control board, it will work with the controller you currently have. Supported controllers included: SMXir, Passport I/O, Smart Touch, Elite II.

– Waterline connections should be the same as the unit you are replacing, the CT-unit has a standard 5/8″ water connection.

– The CT-16 Unit has a 6-inch ducting ring whereas the Dometic comes with a 7 inch. It is a quick replacement as the ducting can be easily cinched down with a clamp.

– Dimensions wise this unit is very similar to the one you are replacing, so It shouldn’t be a major issue. However, it is suggested you double-check in order to avoid any issues when installing.

CTM Marine Warranty

The warranty period of registered CTM products is (2) two years, being the first year parts and labor, the second year parts only. For unregistered CTM products (1) one year, being the first 6 months parts and labor, and the last 6 months parts only. The warranty period of CTM products begins from the date of purchase (if purchased through a dealer or distributor), when installed  (if installed by an authorized CTM dealer) and/or at the time of possession of the vessel by the owner (for OEM installations). However, the warranty period shall not exceed (3) three years from the original manufacture date. CTM products include a serial number which is date-coded, in order to determine the manufacturer date of the product, you may contact CTM’s customer service to obtain the original date.

In the event there is an extended period of time between the date a CTM product is manufactured and the moment that the product goes into service, CTM will require proof of purchase. For unregistered products, a proof of purchase will be required as well.

For more detailed information please download the Manual and refer to page 17.