Espar Airtronic M3 B4R Gasoline 12V Heater Kit with EasyStart Pro Controller

Efficient Power with Eberspacher Airtronic B4R M3 Gasoline Heater Kit

Experience optimal heating in your van with the Espar B4R M3 Gasoline Heater Kit. This 12V device excels in extreme conditions, operating at -40°C, and up to 18,000 feet.

Easy installation, adaptable ducting, and minimized noise make it perfect for larger vehicles. Enjoy efficient control with advanced features and reduced startup power consumption.

Features of Eberspacher Airtronic B4L Gasoline 4kW Heater Kit

• The Espar B4R delivers an impressive 4kW (13650 BTU) maximum heat output.
• Functions in temperatures as low as -40°C / -40°F and at altitudes of up to 18,000 feet.
• Enjoy simplified temperature control with the integrated temperature sensor and EasyStart Pro controller.
• A different shape of impeller allows pushing hot air through longer hot air ducting systems, providing more outlets.

Powerful Performance

The Espar B4R dominates the industry of van heaters with its exceptional 4kW maximum heat output. This robust performance ensures swift and efficient heating, making it a top choice for those seeking comfort.

B4R's powerful performance can handle freezing temperatures and provide comfort during chilly nights. Furthermore, this Airtronic heater is able to generate substantial heat, making it suitable for larger applications where extensive heating is required.

Extreme Condition Operation

Engineered for resilience, the Espar B4R excels in extreme conditions, showcasing its adaptability in temperatures as low as -40°C. Ths gasoline heater for van is also great at high elevations, with the heater functioning flawlessly at elevations of up to 18,000 feet.

Unlike earlier models, the B4R incorporates an integrated altitude sensor, eliminating the need for additional wiring or specialized kits for high-altitude operation.

User-Friendly Control

The Espar B4R features a built-in temperature sensor and an EasyStart Pro controller, simplifying the heating process.

The stepless blower system ensures optimized heating control, offering precise temperature management without compromising on performance. This user-friendly control system enhances the overall experience for van owners.

Adaptable Installation

Adaptability is at the core of the B4R's design, with an adaptable ducting system that can extend up to 15 meters (49ft).

With outlets of 90mm or 75mm, closeable ducting outlets, and various grilles and outlet types, the system accommodates the complexity of different ducting needs. Due to the plug-and-play arrangement, no special tools or cable crimping are required, so it's easy to install on your own.

Technical Specifications

• Fuel: Gasoline
• Voltage: 12V
• Max. Heat Output: 13,650 BTU (4 kW)
• Fuel Consumption: 0.17 - 0.55 l/h (0.04 - 0.14 gal/h)
• Average Power consumption: 4 – 38W
• Average Power Consumption while Starting: ≤100W
• Dimensions LxWxH: 14.8 x 5.5 x 5.9 in (376 x 140 x 150 mm)
• Heater model: Airtronic M3
• Max. Altitude: 18,000 ft (5,500 m)

Part numbers:

• Installation kit: 252720800000
• Heater only: 202030050000
• Alternative formats: 20.2030.05.0000; 20.2030.05.0000; 20 2030 05 0000; 20 2030 05 00 00

Browse Eberspächer/Espar Manuals & Technical Documentation

Included in the Kit

• Eberspacher Airtronic AM3 B4R 12v Heater
• EasyStart Pro Controller
• Fuel pump (12v)
• Fuel hose
• Exhaust Silencer / muffler
• Electrical harnesses
• Stainless steel exhaust pipe - approx. 90cm
• Combustion intake pipe
• Flexible ducting - 0.5 meter
• Inlet / Outlet grills
• Air outlet (90mm)
• Screws, clips and plastic straps required for installation
• Installation manual
• Warranty documentation