DH15Duo D: DH15 Hydronic Hot Water with Eberspacher Furnace and 3.6kW Ducted Fan

$4,350.00

The unique DH15Duo D Hydronic diesel hot water system with dual fan ducted air heater provides fast hot water and 3.6kW air heating in the coldest of conditions in a compact form.  Powered by the latest German made D5E furnace by Eberspacher, this is the quietest, most robust and most versatile system on the market. This system with the dual fan air heater is suitable for larger motorhomes and caravans.

Say goodbye to the hassles, risk (in boats) and cost of LPG and enjoy the benefits of hot water and air heating from one compact setup when free camping or off the grid.

In Stock

SKU:P1DH15DF_D

SKU: P1DH15DF_D Categories: ,

THE DH15Duo D IS A COMPACT INSULATED DIESEL HOT WATER AND AIR HEATING PACKAGE FOR LARGER MOTORHOMES OR CARAVANS OR FOR RVs BEING USED IN COLDER CLIMATES

The DH15Duo D combines Dieselheat’s DH15 hot water system with our own 3.6kW ducted fan and thermostat to provide a compact hot water and air heating package with superior air heating capacity from our largest dual fan dual air heater.

Key System Features

  • Quite, reliable German Eberspacher furance 1.3kW to 5kW output in 32 power levels
  • Easy to use thermostat to control air heating and turn hot water on/off
  • Compact, with separate air heating and hot water components allows flexible install arrangements
  • Automatic coolant shutoff to air heating when not in use (to minimise unwanted heat)
  • Fast heat and re-heat times – suits family use
  • Quiet and powerful (3.6kW) air heater

See here to compare size, weights and available hot water between different DH Hydronic systems.

The DH15Duo D is sold mostly pre assembled and tested for easy installation.

DH15Duo D kit suits installations where the fan heater is within 1m of the hot water system and no more than 0.5m above it. For setups where the fan head is further away speak to Dieselheat about a custom kit.

The DH15 Features

  • Reliable, quiet Eberspacher furnace is best in class with silent fuel pump and 3000h service life.
  • Stepless power output from 1.3 to 5kW
  • All 316 stainless steel, suitable for caravans and boats
  • Insulated dual skin tank retains heat for efficient operation
  • DH15 is Pre assembled and tested for easy installation
  • Includes mounting plate and silicon floor plate to seal exhaust through the floor
  • Fast heat up time, around 9-10min from cold
  • Includes Watermark approved tempering valve and plate heat exchanger to ensure hot water is always delivered at safe temperatures

The 3.6kW Ducted Fan Features

  • High quality copper coolant pipes optimised for maximum heat output
  • Quiet electrically controlled brushless AC drum fans
  • Aluminum case lined with specialised sound absorbing foam/vinyl
  • 2 x 60mm outlets

Touch Screen Thermostat Features

  • Simple operation via touch screen with backlit buttons
  • 3 manual fan speeds and automatic mode with infinitely variable fan speed
  • Optional remote temperature probe (supplied in kit)
  • Operate in either hot water only or hot water and air heating modes.
  • Diesel hot water system on/off
  • Air heating electric coolant control valve open/close
  • Programmable parameters include manual fan speeds, min and max fan speeds on auto mode, sensitivity on auto mode.

This controller does not provide any error codes or diagnostics for diesel hydronic furnaces. This function must be provided by the manufacturer’s controller. The Eberspacher Easystart Pro controller can be purchase separately.

Comprehensive Installation Kit

This kit includes all mounting brackets, plug and play wiring looms, coolant pipe (for fan head up to 1m from hot water system), fuel line, exhaust system, coolant fittings etc. needed to install the system and get it up and running. All Dieselheat system also include comprehensive printed installation instructions written by the system creators in simple to understand English to assist first time installers.

Pair the DH15Duo D with our range of water efficient shower heads or digital temperture mixing valves. For shower options see here.

See here for more information on the DH Hydronic Series

Useful Dimensions

DH15 Dimensions (not including air heater) allowing for install brackets, furnace and plumbing fittings (required space):

450W x 320H x 340D

Note: Allow space or access above to fill the tank with coolant.

Ducted Fan Dimensions

220W x 155H x 390L (fan in vertical direction)

220W x 140H x 390L (fan in horizontal direction)

DH15 Installation Instructions

Dieselheat 1.8kW Ducted Fan Head Dimensions

DH Hydronic Series Operator Manual 

Eberspacher D5E HS3 Technical Manual

Unlocking guide for Eberspacher Heaters using the Easy Start Pro Controller

DH15 System Performance

Time to useable hot water from cold start: 9min

Time to fully hot: 14min

Regeneration time between showers: 7min

Length of shower assuming 30 degree temp rise using Dieselheat shower heads:

Bricor UltraMax 2.5L/min @ 40PSI: >15min

Bricor Elite 4L/min @ 40PSI:   7min

Length of time the system can achieve a 30 deg temperature rise:

2L/min – >15min

3L/min – 13min

4L/min – 6min

5L/min – 3 min

These numbers are all affected by ambient temperature, installation layout and assume no concurrent air heating, so should be taken as a guide.

Ducted Fan Unit

Output: 1.6kW output @ 20 degrees ambient; 1.8kW output @ 10 degrees ambient
Power: less than 2A on high.
Size: 220W x 155H x 390L (fan in vertical direction not including duct outlet)

Dieselheat offers a two year warranty on this product. Upon receipt of proof of purchase of a product, Dieselheat will, where possible, provide product support via telephone or email. If Dieselheat determines that the issue necessitates the return of the product for inspection and/or repair, it is your responsibility to uninstall the product and return the product at your cost to Dieselheat. Upon repair of the product, Dieselheat will return the product to you at its cost. It is your responsibility to reinstall the product. See our full warranty terms here.

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