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Espar / Eberspacher Hydronic B5E 12V Gasoline Petrol RV / Camper Kit for Water / Air / Floor Heating

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Upgraded version for Previous B5S Hydronic RV KIT is here! HYDRONIC HS3 B5E Petrol Gasoline HEATER RV KIT!

Hydronic S3 B5E from Espar has been improved for optimal performance and highest comfort standards:

  • Service life up to 3000 hours
  • New Pro controller
  • Residual Heat - uses all unused hot coolant while the engine is off
  • Stepless heating control system
  • Noise optimization

The Espar /  Eberspacher Hydronic Motorhome RV heater is typically mounted externally (engine bay), whilst the header tank, air blower and hot water heat exchangers mounted internally. Due to compact size of both plate exchanger and Kalori Evo1 blower. The blower units would be mounted in the area where the heat is most required i.e. living area and the rear (air ducting is option on custom kits). Kalori now comes with upgraded Controller- thermostat, which hallows you to control (dim) the temperature and fan speed.

22 plate water heat exchanger is included in the kit, with all the fittings already installed to have it mounted quickly. Ideal solution to meet your air heating and hot water demand in any vehicle powered in diesel. For Gasoline version, please contact support! 

With this system you can have floor heating as well. Just need to have two pipe system (closed loop). Radiant floor heating in your camper van or van conversion.  

Operation – Once activated, the Espar / Eberspacher B5E heater will use the vehicle’s own fuel in a combustion process to heat the coolant via a heat exchanger inside of the Hydronic Unit. The heated coolant is then circulated round the heating circuit passing through blower heaters by an integrated water pump. The Espar / Eberspacher unit is self regulating & operates in a similar way to a domestic central heating system.

Espar / Eberspacher B5E Hydronic 3 12V 5.2kW Gasoline water heating system kit includes:

• Espar Hydronic 3 B5E Heater 12V and EasyStart PRO controller
• Kalori Blower controller unit
• All electrical harnesses and connections
• 1 meter of exhaust pipe
• 1 meter of combustion Intake pipe 
• 2.3m of water hose (Heater) (20mm)
• 4m of water hose 16mm ID (Blower Box)
• 1 Exhaust Silencer (24mm)
• Water Pump
• Fuel Pump
• Fuel T Piece Kit 
• All necessary clips and screws
• Heater water (expansion) tank 5 Liter 
• Espar / Kalori Blower box 4.3kw with Grill - air blower unit water plate exchanger
• Hydronic Mounting Bracket

Part Numbers:

Espar Hydronic B5E CS 12V Gasoline  / Petrol water heater :

  • 202008050000
  • 20.2008.05.0000 / 20.2008.05.00 00
  • 20 2008 05 0000 / 20 2008 05 00 00

1 Review Hide Reviews Show Reviews

  • 5
    gas system!

    Posted by Chris Sa on 26th Aug 2020

    Thank you! finally a gas system. tired of diesel kits
    finally, a petrol rv kit. took a few days to install - works flawlesly