yanmar 3gm (hot water?)

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Feb 25, 2012
4
jeanneau Sun Odyssey 33.1 Ramsgate
Welcome any comments, I have Yanmar 3gm diesel in the boat (1995) presently with no connections to the calorifier. It has a fresh water cooled heat exchanger as fitted. Calorifier has two capped off coil connections. Pipes are now in and ready to connect to engine. I don't know where to connect them. Handbook does not cover this install. Appreciate advice.
 
Nov 6, 2006
10,219
Hunter 34 Mandeville Louisiana
water Heater Connections 3GMF

Here are two shots of the connections on my 3GMF. Top shot .. green stripe hose connects to a nipple on top of the water pump. Other hose connects to a nipple under the thermostat.. You should have plugs in those locations where you can thread in hose nipples. Water goes out from under the thermostat through the heater, then back to the suction side of the water pump.
 

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Feb 25, 2012
4
jeanneau Sun Odyssey 33.1 Ramsgate
that's very helpful. Thank you-
I wish I had similar access round my engine, they must have used a shoe-horn to get mine in..
Great site, thanks again.
 
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