Espar Hydronic S3 Heater

Eberspaecher, the leading system developer and supplier of vehicle Airtronic and Hydronic heaters, has expanded its product portfolio with the new Hydronic S3 Economy (5kW) pre-heater. The Hydronic S3 water heater impresses, thanks to its compact dimensions and flexible installation options for simple retrofitting in a large number of vehicle models. As a ground-breaking all-in-one solution with comprehensive peripheral devices, it offers installation partners many practical advantages.

Never scrape ice again. Get in your vehicle and feel comfortable. Enjoy perfect all-around visibility. Arrive safely. And along the way, protect the environment and your car with a pre-heated engine. An Eberspächer pre-heater means the ideal combination of luxury, comfort and safety. Eberspächer water heaters run independently from the engine and make for twice the benefit: pre-heating the car cabin and the engine. The Hydronic S3 Economy is integrated into the cooling water circuit of the engine. The generated heat is picked up by the vehicle’s heat exchanger and is dispensed accurately through present air ducts into the car cabin as warm air. Using the residual heat in the cooling water circuit, the engine is heated. During summers, an Eberspächer pre-heater can be used to ventilate the car interior.
The Hydronic S3 Economy is a compact water heater that satisfies the latest requirements of all vehicle segments. Its compact dimensions and fantastic flexibility during installation are truly impressive. The Espar Hydronic S3  uses CAN bus technology and is made with robust components.By launching the Hydronic S3 Economy, Eberspächer introduces a compact water heater into the market that satisfies the latest requirements of all vehicle segments. Its compact dimensions and fantastic flexibility during installation are truly impressive. In addition, the Hydronic S3 Economy uses pioneering Eberspächer CAN bus technology and is made with robust components.

With the third generation of its Hydronic series, Eberspaecher is offering an easy-to-operate preheater with stepless heating power control. The compact and robust coolant heater works efficiently with all popular types of fuel. Due to its robust construction – with an encapsulated fan motor and the separation of cold and hot components – it is designed to simplify installation and for longevity. A high IP protection class also secures the unit from the ingress of water during high-pressure or steam jet cleaning. The new water spigots are fully rotatable by 360 degrees and are fully replaceable, they ensure convenient and rapid fitting in a range of installation positions. Optimized brackets enable the pre-heater to be mounted anywhere in the smallest possible space and to be attached rapidly and permanently.
The Hydronic S3 is a compact water heater that satisfies the latest requirements of all vehicle segments. Its compact dimensions and fantastic flexibility during installation are truly impressive. The Espar Hydronic S3  uses CAN bus technology and is made with robust components.
With the new EasyScan, diagnostic and service tool, workshop staff can analyze the operating condition of the pre-heater easily and quickly.
• Compact, efficient water heater • Innovative peripheral devices and new diagnostic device • Simplified installation • CARB approved