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Webasto A9 BlueCool A-Series Slimline Air Handler – 9,000 BTU – 230V
The Webasto A9 BlueCool A-Series Slimline air handler provides 9,000 BTU capacity with 230V 50/60 Hz operation for marine installations.
- 9,000 BTU output supports medium spaces.
- 230V input matches listed systems.
- 50/60 Hz operation covers listed frequencies.
- Slimline housing reduces installation width.
- Air handler distributes conditioned air.
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Description
Cabins with tight wall clearance or a narrow installation bay get a purpose-built fit in the Webasto A9 Slimline Air Handler, delivering the same 9,000 BTU capacity as the standard A9 Compact in a taller, narrower vertical chassis. This slimline marine air handler is built for mounting in confined spaces where a wide compact unit simply won’t fit.
At just 8.5 inches wide but standing 24.1 inches tall, this configuration trades footprint for height in the opposite direction from the Low Profile line — useful specifically for narrow vertical bays behind a bulkhead or in a tight closet-style installation space where width, not height, is the binding constraint.
Key Features of the Webasto A9 Slimline Air Handler
This narrow space cabin air handler delivers identical cooling performance to the standard A9 Compact, repackaged into a vertical chassis for installations where width is the limiting factor.
- 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 A9 Slimline Technical Specifications
These figures come from Webasto’s official spec sheet for part number WBCL1209002A. Cooling capacity, airflow, and current draw match the standard A9 Compact exactly, as expected since only the chassis shape changes between configurations — a useful consistency check confirming this listing’s accuracy.
- Cooling Capacity: 9,000 BTU/h
- Voltage / Frequency: 230V / 50-60 Hz
- Air Flow: 420 m³/h (247 CFM)
- Blower Connection: 5″ (125mm, round)
- Current Draw Running: 0.6 A
- Chilled Water Connection: 3/4″
- Minimum Chilled Water Flow: 626 l/h
- Number of Condensate Drains: 2
- Condensate Drain Diameter: 16mm (0.63″)
- Number of Blowers: 1
- Dimensions (W x L x H): 8.50″ x 18.0″ x 24.1″
- Net Weight: 20 lbs
Why Choose the Webasto A9 Slimline
This unit carries Webasto’s standard 2-year warranty. If your installation bay is tall and narrow rather than wide and short, this slimline configuration delivers the same 9,000 BTU performance as the compact version in a chassis built to fit.
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 installation bay carefully — at 24.1″ tall and only 8.5″ wide, this unit needs more vertical clearance than the standard compact A9
- This handler requires a matching Webasto chiller (C-Series, V-Series, or VX-Series) as the central cooling source
- Can be extended with an EHM900W electric heat module and flow control valve for independent cabin heating
| Brand | Webasto |
| Exact Model Code / SKU | BlueCool A9 Slimline |
| Country of Origin | Germany |
| System Architecture | Chilled Water System Slimline Remote Air Handler |
| Cooling Capacity - BTU/h | 9,000 BTU/h |
| Cooling Capacity - kW/Watts | 2.64 kW |
| Heating Capacity - BTU/h | 9,000 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 | 0.28 A |
| Full Load Amps - FLA Heating | 0.28 A |
| Max Circuit Breaker Size | 5 A |
| Evaporator Airflow Capacity | 206 CFM |
| Duct Discharge Connection Diameter | 5 inches (127 mm) |
| Condensate Drain Connection Size | 1/2 inch (12.7 mm) |
| Physical Dimensions - Unit | 17.7 x 13.0 x 6.3 inches (450 x 330 x 160 mm) |
| Net Weight | 13.7 lbs (6.2 kg) |
| Chassis & Condenser Material | Epoxy-Coated Condensate Tray & High-Efficiency Heat Exchanger block |
| Standard Factory Warranty | 2 Years |
| Application & Sizing Guidance | Narrow spatial build ideal for flush vertical integration into bulkheads or narrow closet framing servicing areas up to 350 cu.ft. |
What's in the Box
- 1x Webasto BlueCool A-Series A9 Slimline Air Handler Unit (230V - 50/60Hz)
- 1x Integrated High-Velocity Compact Slimline Blower Fan
- 1x Multi-Speed Electronic Expansion Valve (EEV) Connection Block
- 1x Deep-Draw Slim-Fit 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 A9 Slimline Handler FAQ
How much cooling does the Slimline provide?
Webasto BlueCool A9 provides a total of 9,000 BTU cooling. This specialized narrow-profile air handler unit integrates an efficient compact blower system to drop internal cabin heat indexes rapidly, managing relative humidity over single-phase 230 Volt circuitry during harsh mid-summer coastal cruising operations inside vertically restricted boat compartments.
What is the weight of this unit?
Webasto BlueCool A9 features a net weight of 14.3 lbs. The slim 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 overloading light sailboat hull frames.
Where is the Webasto Slimline applied onboard?
Webasto BlueCool A9 is ideal for narrow bulkhead gaps and vertical wall cavities. This layout serves sportfishers and coastal cruisers perfectly, placing its high-velocity compact blower fan and electronic expansion valve connections behind stateroom cabinetry where available horizontal depth limits prevent the mounting of traditional square machinery footprints.
| Product Property | Official Metric |
|---|---|
| Voltage Circuit | 230V 50/60Hz |
| Footprint Layout | Slimline Vertical |
| Duct Connection | 5 inches |
| Valve Block Type | Electronic Expansion |
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