The Eberspächer Airtronic S2 D2L Marine is a next-generation 2 kW diesel air heater engineered to provide reliable, efficient, and ultra-quiet heating performance for boats and yachts.
Designed with advanced German technology, the S2 Marine series ensures faster heat-up times, optimized fuel efficiency, and significantly reduced noise levels—making it ideal for onboard comfort in cold and humid marine environments.
Configured for marine installation, this version is suitable for use in cabins, sailboats, motor yachts, and offshore vessels.
The Marine Comfort Installation Kit includes essential components required for safe and professional onboard installation.
Key Marine Features
• 2 kW heating output – ideal for small to medium-sized boat cabins
• 12V marine electrical system compatibility
• Ultra-quiet operation for comfortable overnight use at sea
• Advanced brushless motor for extended service life and lower power consumption
• Optimized diesel combustion for high efficiency and low emissions
Airtronic S2 D2L Heater – Package Contents
1 × Airtronic S2 D2L Heater Unit
OEM Code: 252721050000
1 × Digital Control Unit
OEM Code: 25.1000.35.2200.0C
1 × 60 mm Hot Air Hose (50 cm)
OEM Code: Not specified
1 × Heater Front Cover
OEM Code: Not specified
1 × Electrical Wiring Harness
OEM Code: 25.2720.80.1100.0A
1 × Fuel Hose (8 meters)
OEM Code: Not specified
1 × Air Intake Pipe (100 cm)
OEM Code: Not specified
2 × Exhaust Pipes (90 cm + 30 cm)
OEM Code: Not specified
1 × Exhaust Silencer
OEM Code: Not specified
1 × Air Outlet Vent
OEM Code: 22.1000.01.0056.0A
1 × Fuse Kit
OEM Code: 22.9000.30.2720.0A
1 × Mounting Bracket / Holder
OEM Code: 22.1000.50.0300.0D
15 × Plastic Clamps
OEM Code: 22.9000.09.0165.0A
1 × Mounting Components Set
OEM Code: 22.9000.09.0163.0A
1 × Installation Hardware (Screws & Clamps)
OEM Code: Not specified
1 × Air Intake Grill
OEM Code: Not specified
1 × 60 mm Hose Clamp
OEM Code: Not specified
1 × 1–4 kW Fuel Metering Pump
OEM Code: 22455203
Additional Accessories
*1 × Chrome Mounting Bracket
(Part No: 41C0016 / 221050890800)
*1 × Exhaust Through-Hull Flange
(Part No: 292100012023CHC / 1320363A / 9018377A)
*1 × Exhaust Insulation Sleeve
(OEM: 9016230B – 1700 mm × 140 mm)
*1 × 24 mm Exhaust Clamps
(OEM: 1320220A)
⚠️ IMPORTANT NOTE
Accessory parts marked with an asterisk (*) are 100% compatible
