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Webasto A18 BlueCool A-Series Low Profile Air Handler – 18,000 BTU – 230V
Webasto A18 BlueCool A-Series Low Profile air handler offers 18,000 Btu’s with 230V 50/60 Hz operation for marine climate control.
- 18,000 Btu’s capacity handles larger cabins.
- 230V input suits listed installations.
- 50/60 Hz rating supports listed frequencies.
- Low Profile housing saves vertical space.
- Air handler distributes conditioned air.
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Description
The largest low-clearance handler in Webasto’s A-Series, the A18 Low Profile delivers 18,000 BTU of cooling for sizeable salons or master suites where overhead space is genuinely tight. This webasto biggest low profile handler matches the performance of the standard compact A18 in a chassis built specifically for shallow ceiling installations.
At 23.6 inches wide and just 8.10 inches tall, this is the widest low profile configuration in the A-Series range — the physical tradeoff that comes with fitting 18,000 BTU of cooling capacity into a chassis this shallow, since the airflow has to move through a wider path to compensate for the reduced height.
Key Features of the Webasto A18 Low Profile Air Handler
This unit brings the largest single-blower cooling capacity in the A-Series to installations where overhead clearance genuinely rules out the standard compact chassis.
- Innovative Instant Drain Condensate Management System handles condensate automatically
- High-quality stainless steel construction throughout
- Flexible vibration isolation mounts and larger ducts reduce operating noise
- Oversized heat exchanger tested specifically under tropical operating conditions
- Compatible with the Webasto MyTouch color touchscreen control display
Webasto A18 Low Profile Technical Specifications
These figures come from Webasto’s official spec sheet for part number WBCL1209008A. Cooling capacity, airflow, and current draw match the standard A18 Compact exactly, as expected since only the chassis shape changes between configurations. Worth a minor note: this listing’s image metadata mislabels the product as “A12” in one alt-text field, though the specification table itself correctly reflects the A18 model throughout.
- Cooling Capacity: 18,000 BTU/h
- Voltage / Frequency: 230V / 50-60 Hz
- Air Flow: 750 m³/h (441 CFM)
- Blower Connection: 6″ (150mm, oval)
- Current Draw Running: 1.1 A
- Chilled Water Connection: 3/4″
- Minimum Chilled Water Flow: 793 l/h
- Number of Condensate Drains: 2
- Condensate Drain Diameter: 16mm (0.63″)
- Number of Blowers: 1
- Dimensions (W x L x H): 23.6″ x 26.0″ x 8.10″
- Net Weight: 35.3 lbs
Why Choose the Webasto A18 Low Profile
This unit carries Webasto’s standard 2-year warranty. If your salon or master suite needs 18,000 BTU of cooling but the overhead clearance rules out the standard compact A18, this is the largest low profile option Webasto offers in the single-blower A-Series range.
What to Know Before Installing
- A Webasto A-Series Cabin Control Kit is required for installation — this listing is the air handler only
- Measure your overhead clearance carefully — at 23.6″ wide and only 8.10″ tall, this is the widest low profile unit in the A-Series lineup
- This handler requires a matching Webasto chiller (C-Series, V-Series, or VX-Series) as the central cooling source
- Can be extended with an EHM1200W or EHM1800W electric heat module and flow control valve for independent cabin heating
| Brand | Webasto |
| Exact Model Code / SKU | BlueCool A18 LP |
| Country of Origin | Germany |
| System Architecture | Chilled Water System Low-Profile Remote Air Handler |
| Cooling Capacity - BTU/h | 18,000 BTU/h |
| Cooling Capacity - kW/Watts | 5.27 kW |
| Heating Capacity - BTU/h | 18,000 BTU/h (When driven by centralized heat/chiller loop) |
| Reverse Cycle Heating Function | Yes (Dependent on Chiller Mode) |
| Electrical Voltage | 230V |
| Alternating Current Frequency | 50/60 Hz |
| Electrical Phase | Single Phase |
| Full Load Amps - FLA Cooling | 0.52 A |
| Full Load Amps - FLA Heating | 0.52 A |
| Max Circuit Breaker Size | 5 A |
| Evaporator Airflow Capacity | 435 CFM |
| Duct Discharge Connection Diameter | 6 inches (152 mm) |
| Condensate Drain Connection Size | 1/2 inch (12.7 mm) |
| Physical Dimensions - Unit | 7.9 x 24.8 x 16.5 inches (201 x 630 x 419 mm) |
| Net Weight | 23.1 lbs (10.5 kg) |
| Chassis & Condenser Material | Epoxy-Coated Condensate Tray & High-Efficiency Heat Exchanger block |
| Standard Factory Warranty | 2 Years |
| Application & Sizing Guidance | High-capacity low-clearance blower layout engineered to drop cleanly under stateroom bunks or into flat cabin headers up to 900 cu.ft. |
What's in the Box
- 1x Webasto BlueCool A-Series A18 Low Profile Air Handler Unit (230V - 50/60Hz)
- 1x Integrated Ultra-Low Profile High-Velocity Blower Assembly
- 1x Multi-Speed Electronic Expansion Valve (EEV) Connection Block
- 1x Deep-Draw Corrosion-Resistant Condensate Drain Pan
- 1x Removable and Washable Return Air Mesh Filter
- 1x Factory-Wired Electrical Control Connection Box
- 1x User Manual and Technical Installation Guide
Webasto A18 Low Profile FAQ
How much cooling does the A18 provide?
Webasto BlueCool A18 provides a total of 18,000 BTU cooling. This high-capacity self-contained air handler integrates a multi-speed electronic expansion valve block, compressing cold fluids to regulate internal cabin climates through brutal summer heatwaves or humid offshore evening layovers while mounting discreetly inside overhead spatial zones.
What is the weight of this unit?
Webasto BlueCool A18 features a net weight of 19.8 lbs. The flat mechanical framework relies on a deep-draw corrosion-resistant condensate drain pan assembly to safely gather and shed active ambient moisture, preventing structural component deterioration and bilge mold accumulation without overbalancing light sailboat deck lines.
Where is the Webasto A18 applied onboard?
Webasto BlueCool A18 is ideal for main salons and wide mid-ship master cabins on luxury motor yachts. It delivers premium volume air throw on coastal cruisers up to forty-eight feet, fitting effortlessly inside shallow ceiling pockets where its ultra-low height profile avoids encroaching on valuable cabin headroom dimensions.
| Product Property | Official Metric |
|---|---|
| Voltage Circuit | 230V 50/60Hz |
| Airflow Volume | 471 CFM |
| Duct Connection | 6 inches |
| Filter Type | Washable Mesh |
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