Espar / Eberspächer Airtronic S3 D2L 12V RV Diesel Heater – Comfort Installation Kit | 252953050000

The Eberspächer Airtronic S3 D2L is a next-generation 2 kW diesel air heater designed to deliver maximum comfort, efficiency, and ultra-quiet operation for motorhomes and camper vans. Built with advanced German technology, the S3 series offers faster heat-up times, optimized fuel consumption, and significantly reduced noise levels compared to previous models.

This Comfort Installation Kit includes all essential components required for a smooth and reliable installation, making it an ideal solution for motorhome owners seeking long-term heating performance in cold climates.

Key Features

• 2 kW heating output – ideal for motorhomes, camper vans, and compact interiors

• 12V electrical system compatibility

• Ultra-quiet operation with improved sound insulation and optimized airflow design

• Advanced brushless motor for longer service life and lower power consumption

• Optimized diesel combustion for high efficiency and low emissions

• Faster heating response compared to previous Airtronic generations

• Automatic altitude adjustment for high-altitude operation

• Durable housing resistant to vibration, dust, and moisture

• Precise temperature control with intelligent regulation system

Airtronic S3 D2L Heater – Package Contents

• 1 × Airtronic S3 D2L Heater Unit
  OEM Code: 

• 1 × Digital Control Switch
  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 × 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 × Automatic Holder / Bracket
  OEM Code: 22.1000.50.0300.0D

• 15 × Plastic Clamps
  OEM Code: 22.9000.09.0165.0A

• 1 × Automatic Mounting Components
  OEM Code: 22.9000.09.0163.0A

• 1 × Installation Hardware (screws & clamps)
  OEM Code: Not specified

• 1 × Air Intake Grille
  OEM Code: Not specified

• 1 × 60 mm Hose Clamp
  OEM Code: Not specified

• 1 × Fuel Metering Pump (1–4 kW)
  OEM Code: 22455203

Installation Box
OEM Code: 25.2721.05.0000