The Espar Airtronic S3 D2L is a compact 12V diesel heater designed to heat your van using fuel from the vehicle’s main diesel tank. This complete kit includes the EasyStart Pro controller, altitude sensor, fuel pump, wiring, exhaust and intake components, ducting, and installation hardware. Automatic altitude compensation allows operation up to 13,000 ft (4,000 m).
The S3 D2L features an upgraded flame tube for improved fuel efficiency and a redesigned glow pin system that requires less maintenance than the previous S2-D2L.
Features
- 2 kW / 6,824 BTU/h heating output.
- Automatic altitude compensation up to 13,000 ft (4,000 m).
- Improved fuel efficiency with upgraded flame tube.
- Reduced maintenance with redesigned glow pin system.
- Compact and lightweight – 2.5 kg (5.5 lb).
- 12V operation with 1–3 A draw.
- EasyStart Pro controller included.
- Genuine Eberspächer heater with high-quality wiring harness.
Kit Contents
- Eberspächer Airtronic S3 D2L 12V heater.
- EasyStart Pro controller and altitude sensor.
- Fuel metering pump, fuel line and clamps.
- Wiring harnesses.
- Stainless steel exhaust pipe.
- Combustion intake pipe.
- 0.5 m flexible ducting.
- Outlet grille and 90 mm straight air outlet hood.
- Screws, clips and plastic straps for installation.
- Installation manual.
Specifications
| Specification | Details |
| Fuel Type | Diesel |
| Voltage | 12V |
| Amp Draw | 1–3 A |
| Maximum Power | 2 kW |
| BTU Output | 6,824 BTU/h |
| Altitude Compensation | Up to 4,000 m / 13,000 ft |
| Rated Power Consumption | 38.4 W |
| Fuel Consumption | Approx. 0.25 L/h |
| Dimensions (L × W × H) | 310 × 115 × 122 mm / 12.2 × 4.5 × 4.8 in |
| Weight | 2.5 kg / 5.5 lb |















