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Old 31-12-2007, 20:11   #1
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coolant water take off from Yanmar 3gm30

This engine still has original painted coolant hoses... The water heater is built to accept hotwater from the engine and I would like to have that option....also would like to install 2 cabin heaters off the engine heat....any reason why I shouldn't or thoughts about it would be appreciated.

Thanks as always.

Dave
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Old 31-12-2007, 20:26   #2
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Dave,
I'm ok with the water heater. Running two additional cabin heaters it too much heat sink. The engine wont come to temp properly and stay there.
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Old 31-12-2007, 20:30   #3
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What if I plumb it either/or?
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Old 31-12-2007, 20:35   #4
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The following is my opinion only. It's worth what you paid for it.

I think it would add too much complexity and chance for failure with a critical engine system. Why not run your coolant to the water heater. Then pipe your domestic water thru the heater cores.
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Old 31-12-2007, 20:49   #5
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I like the idea but how would you do a return line to the water heater?...feel like I might be missing something ...

thanks,

Dave
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Old 31-12-2007, 20:54   #6
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T it in where the cold comes in. Might require it's own pump and a check valve up stream on the cold side. But loosing drinking water Vs coolant is more appealing to me.
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Old 31-12-2007, 21:39   #7
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Thanks for your well developed thoughts...I will work it over. Dave
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