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M4797

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Eberspacher Hydronic 3 B5E (HS3) CS

Overview

The Eberspacher Hydronic 3 B5E (HS3) is a third-generation fuel-powered water heater designed for use in passenger cars and transporters. With a heating power of 5 kW, it efficiently heats the vehicle's interior (cab), engine, and helps with de-icing windows. The heater is compact and designed for tight installation spaces. Both the water pump and fuel metering pump are installed separately, and the fuel can be directly drawn from the return line using the pressure-resistant metering pump, eliminating the need for a separate fuel tank extractor. This feature significantly speeds up the installation process.

Key Features:

  • Altitude Compatibility: The HS3 model is suitable for altitudes between 1500 and 3000 meters when used with the Pro Controller.
  • Warranty: Genuine Eberspacher heater with a 36-month warranty.
  • Heating Efficiency: The Hydronic B5E 5 kW water heater uses an independent coolant system to quickly produce hot water and hot air. It features a small coolant circuit for rapid warm-up, with hot water ready in approximately 5-10 minutes. An indirect plate heat exchanger separates freshwater from coolant, ensuring efficient heat transfer. A thermostatic mixer valve controls the hot water temperature.

Installation and Operation:

  • Eberspacher Motorhome Heater: Typically mounted externally on the vehicle, with the plate exchanger taking minimal interior space. Blower units are placed in areas where heat is most needed, such as the living area and rear. The automatic digital controller, equipped with an external temperature sensor, adjusts the fan speed to regulate room temperature based on the difference between the current and set temperatures.
  • Operation: When turned on, the HS3 water heater utilizes the vehicle's fuel to heat coolant through its dedicated heat exchanger. This hot coolant then flows through the heating circuit, external heat exchanger for domestic water, and blower heaters, all thanks to an integrated water pump. The Eberspacher Hydronic 3 D5E unit functions similarly to a home central heating system and features self-regulating capabilities.

Vehicle/Camper Kit Contents (12V, 5.0 kW HS3):

  • Eberspacher Hydronic 3 B5E (HS3) Petrol Heater
  • EasyStart Pro Controller (with 7-day timer)
  • Digital Automatic Blower Controller Kit (Plug and Play)
  • All necessary electrical harnesses and connections
  • 1 meter of stainless steel exhaust pipe
  • 1 meter of combustion intake pipe
  • 2 meters of 19mm ID water hose (heater)
  • 4 meters of 16mm ID water hose
  • 1 Exhaust Silencer
  • Water Pump (heater)
  • Fuel Pump
  • Fuel T-Piece Kit
  • Low-Profile Fuel Stand Pipe
  • All necessary clips and screws
  • Heat Exchanger Plate with water connections
  • 5-Litre Heater Tank
  • Blower Box (If selected)
  • Mounting Bracket
  • Comprehensive Installation Manual

 

Applications Include:

  • Cars
  • Vans and Small Buses
  • Caravans and Mobile Homes
  • Mobile Workshops
  • Electric Vehicles
  • 4x4 Vehicles (rear heating)
  • VW T5/T6 Transporter

 

Custom Kits and Accessories: Bespoke kits can be built to order. For custom requirements or additional accessories, please contact our sales team at 01924 274774.