Espar Hydronic S3 D4E CS Diesel 12V Water Heater Kit with EasyStart Pro Controller

Espar Hydronic S3 D4E 12V Diesel Water Heater With Pro Controller

Boost your vehicle's heating system with the Espar Hydronic S3 D4E 12V Diesel Water Heater with Pro Controller. Experience fast interior pre-heating, smooth engine starts, and efficient window defrosting, ensuring a comfortable and convenient ride every time.

Its wide range of installation options make it perfect for both land vehicles and marine applications.

Features of Espar Hydronic S3 D4E 12V Water Heater

• Experience a warm and inviting cabin environment, even on the chilly days.
• Ensure smooth engine starts, minimize wear on components, and improve overall fuel efficiency.
• Easily clear frost and ice from your windows, enhancing visibility and safety.
• Compact design allows for simple installation in a wide range of vehicles and marine applications.

Efficient Heating for Any Occasion

Whether you're driving a consumer vehicle, an army/military vehicle, or looking for recreational comfort, this heater is designed to meet your needs.

With a heating output ranging from 1300 to 4300 watts, it's the perfect solution for a wide range of vehicles. Its compact dimensions ensure easy installation and flexibility for a variety of setups. Equipped with a Pro controller with integrated temperature sensor, Espar Hydronic S3 D4E offers efficient heating at all times.

Engine Pre-Heat for Easy Starts

Don't worry about cold starts or engine struggles anymore. The Espar Hydronic S3 D4E offers quick interior pre-heating and engine pre-heating, keeping each start safe and smooth.

As a result of its low fuel consumption, it is not only environmentally friendly but also economically efficient.

Efficient Window Defrosting

Espar Hydronic S3 D4E simplifies the task of defrosting windows during the cold season.

You can quickly clear your windows without the need for scraping or extended waiting. Enjoy clear visibility and get on the road faster, all while saving time and energy.

Versatile Installation Options

Thanks to its compact size and clever design, the Hydronic S3 D4E can be easily installed in your vehicle's engine compartment. It's not just limited to land vehicles; it's also an ideal heating solution for marine applications.

Boats, vessels, and other marine vehicles can benefit from this heater's quiet and energy-efficient operation, enhancing your onboard comfort.

Technical Specifications

• Fuel: Diesel
• Voltage: 12V
• Max. Heat Output: 14,700 BTU (4.3 kW)
• Fuel consumption: 0.03 - 0.14 gal/h (0.15 - 0.53 l/h)
• Power consumption: 5 - 27W
• Weight – without coolant and attachments: 4.4 lb (2 kg)
• Heater model: Hydronic S3
• Max. Altitude: 9,900 ft (3,000 m)

Part numbers:

• Installation kit: 252933800000 
• Heater only: 252992050000
• Alternative formats: 25.2992.05.0000; 25.2992.05.00.00; 25 2992 05 0000; 25 2992 05 00 00

Browse Eberspächer/Espar Manuals & Technical Documentation

Included in the Kit

• Hydronic D4E 12V heater with mounting bracket
• EasyStart Pro Timer controler
• Coolant pump with mopunting bracket
• Fuel metring pump with mounting accesories
• Wiring harness
• Coolant pump harness
• Water connection sockets (x2)
• Fuel Standpipe and fuel line
• Silencer / muffler with Z shape bracket
• Exhaust Hose - 900mm / 35.4 inch and 300mm / 11.8 inch with end cap
• Coolant hose
• Air intake silencer - 760 mm / 29.9 inch
• Mounting accesories - cable ties, clamps, screws, etc.