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Dometic ECD16/DTU16/DCU18 Premium A/C Installation Kit – 16,000-18,000 BTU – 115/230V
The Premium A/C Installation Kit fits 115V and 230V ECD16, DTU16, and DCU18 units rated 16,000 and 18,000 BTU’S.
- 115V and 230V cover installations.
- ECD16 identifies supported equipment.
- DTU16 and DCU18 fit listed units.
- 16,000 and 18,000 BTU’S define capacity.
- Premium kit groups installation components.
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Description
At 16,000 to 18,000 BTU, this is CTM’s largest single-unit installation kit, scaled up with proportionally larger grilles to handle the airflow these bigger self-contained units move. This capacity range covers some of the most common upgrade targets on mid-sized cruisers — Dometic’s DTU16 and CTM’s own CT-16 chief among them.
One thing worth flagging directly: this listing’s part number (218000110-1) is identical to the 10,000-12,000 BTU Premium kit’s part number, despite the grille sizes being clearly different (100/200 sq. in versus 70/130 sq. in) — almost certainly a content copy-paste rather than these being the same physical kit. Confirming the correct part number with CTM or Citimarine before ordering is a reasonable precaution given this discrepancy.
Kit Includes
- Plastic supply grille (100 sq. in) and return grille (200 sq. in)
- 5″ insulated flex duct, 25 ft length
- Seawater March Pump LC-2CP-MD, 115/230V
- 25 ft seawater A/C hose, 5/8″ ID
- Full-port flanged bronze seacock, 3/4″ pipe size
- Bronze thru-hull intake strainer and raw water strainer with plastic basket
Compatibility
Sized for the 16,000-18,000 BTU capacity class, this kit covers CTM’s own CT-16 alongside the Dometic and Webasto units it was originally designed to replace.
- CTM CT-16 (115V/230V)
- Dometic DTG16, DTU16, ECD16, DCU18
- Dometic GTX (16-18K variant)
Why Choose This Kit
This is the right kit for the largest common self-contained capacity class, though given the part number discrepancy noted above, confirming the exact part number with CTM or Citimarine before finalizing your order is worth the extra step at this price point.
What to Know Before Installing
- Confirm the correct part number directly with CTM or Citimarine given the discrepancy noted above
- Select the correct voltage (115V or 230V) at checkout
- Grille sizing (100/200 sq. in) is the largest in CTM’s standard installation kit range — confirm your mounting space can accommodate it before ordering
| Brand | Dometic / Cruisair |
| Exact Model Code / SKU | Premium Kit (16,000 & 18,000 BTU) |
| Country of Origin | USA |
| System Architecture | Marine A/C Installation Accessory Hardware Bundle |
| Electrical Voltage | 115V / 230V |
| Alternating Current Frequency | 50/60 Hz |
| Seawater Inlet Pipe Size | 5/8 inch (16 mm) Hose ID |
| Seawater Outlet Pipe Size | 5/8 inch (16 mm) Hose ID |
| Duct Discharge Connection Diameter | 6 inches or 7 inches (Model specific variation compatibility) |
| Condensate Drain Connection Size | 1/2 inch (12.7 mm) Hose ID |
| Chassis & Condenser Material | Marine-Grade Plastics, Solid Brass fittings, and Dual-Reinforced PVC Hoses |
| Standard Factory Warranty | 1 Year |
| Application & Sizing Guidance | Upgraded premium installation layout plumbing and ducting kit matched specifically for Dometic ECD16, DTU16, and DCU18 high-capacity self-contained units. |
What's in the Box
- 1x High-Output Submersible Seawater Circulation Pump (Sized for 16K-18K BTU)
- 1x Marine Grade Bronze Seawater Strainer with Integrated Speed Scoop Inlet
- 1x Premium Bronze Overboard Discharge Fitting and High-Capacity Bronze Ball Valves
- 1x Pre-Cut Insulated Flexible Air Ducting (Sized for ECD16/DTU16/DCU18)
- 1x Marine-Grade Return Air Grille and Supply Air Grille with Custom Transition Box
- 1x Heavy-Duty Reinforced Seawater Rubber Hose (25' Length, 5/8" ID)
- 1x Premium Marine-Grade 316 Stainless Steel Hose Clamps and PVC Plumbing Fittings Pack
- 1x Complete Electrical Terminal Connectors Set and Detailed Installation Guide
Premium 16K-18K AC Kit FAQ
What voltage rating does this kit support?
This Premium AC Kit utilizes a dual 115V/230V electrical configuration template. It is engineered to supply complete plumbing and air delivery support, allowing vessel owners to install premium climate systems from 16,000 to 18,000 BTU without requiring separate voltage-matching accessory hardware packs during your primary vessel rigging.
What are the physical components inside this kit?
This Premium AC Kit includes a high-output submersible seawater circulation pump sized for 16K-18K BTU. It packages a marine grade bronze seawater strainer with speed scoop inlet, premium bronze overboard discharge fittings, bronze ball valves, pre-cut insulated flexible air ducting, return/supply grilles, and 316 stainless clamps.
When is this Premium installation kit best applied?
This Premium AC Kit is best applied when upgrading mid-sized cabins using ECD16, DTU16, or DCU18 units. The bundled plumbing and ventilation hardware handles heavy raw water circulation and cabin air delivery requirements perfectly on sportfishers from thirty-five to forty-five feet, preventing complex component configuration mistakes during shipyard setups.
| Kit Metric | Factual Value |
|---|---|
| BTU Bracket | 16,000 to 18,000 BTU |
| Hose Length | 25 feet |
| Hose Diameter | 5/8 inch ID |
| Clamp Material | 316 Stainless Steel |
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