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Installing a diesel water heater in Hanse 370e

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SamsonII View Drop Down
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    Posted: 16 July 2017 at 22:43
Hi!

Just finished this weeks project. I have installed an Eberspächer D3W to heat the water when no shorepower is available. My wife enjoys the large head so well that she takes showers all the time!

The complete kit:

I installed the unit behind the starboard aft cabin.  Lots of space here, and easy acces to fuel and water:


The circulation pump was mounted between the engine and waterlock. I removed the input hose from the calorifier. The hoses was 16 mm, so I needed an adapter to get the 20 mm needed for the pump and heater. The hose from the engine was also extended by an 16-19 mm adaptor (from Trudesign).


I placed the exhaust outlet at the rear side of the hull:




I used the same outlet from tank that the Webasto air heater uses. Works perfect!


And the diesel pump is placed next to the Webasto pump:


I needed to elevate the expansion tank - it must be placed 10 cm above the highest point of the hoses, and since the heater is placed at the rear of the boat it will be higher than the original placement of the tank:


And the finally the electrical connections. An easy job, since I only use the on/off switch at the Eber panel (the thermostat is only used if you have radiators and fans in the system for air heating):


After the air was purget from the system i fired up. And it works perfect!
Stein-Erik Carlsen

Hanse 370e 2006 #41 "Samson II"
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iemand View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iemand Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2017 at 07:44
Great project. I thought about a gas version for the same purpose. How much was all that material needed?

BR Thomas
Hanse 312 MJ 2004 - Hanse 370e MJ 2007
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SamsonII View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SamsonII Quote  Post ReplyReply Direct Link To This Post Posted: 17 July 2017 at 08:25
The total cost was approx. €900. The kit includes all basic parts- just some meters of hose, clamps and cable needed in addition
Stein-Erik Carlsen

Hanse 370e 2006 #41 "Samson II"
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