Diesel engine and hot water tank hookup

Don’t forget to add an anti scald or tempering valve. The water heater will produce water as hot as your engine coolant. Much higher than a home heater. I shut off the coolant connection to my water heater because the water was dangerously hot.
 
Heading to the boat today... It's on my list.
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Hello, I had to change the relieve valve on my hot water tank, I decided to use the occasion to run the pipes to the engine room so I get hot water from the engine. I got the pipes in the engine room, now where do I hook to the engine? Caterpillar 3126 350HP Marine engine. Link to a video or forum welcome. Thanks in advanceView attachment 85993

It is doable and no problem to do it, as we did to my dad's 2001 410DA with 3126TAs(port engine). Just make sure you bleed well the fresh water circuit, DAMHIK. The boat is 700+kms remote to me so sorry no dimensional info.
 

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