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Old 06-09-2012, 13:31   #16
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Location: Mallacoota - SE Australia
Boat: 1950's Lakes Cruiser
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Re: Heat Exchanger Zincs Not Required ?

Thanks Lancelot9898 my heat exchanger on the Perkins 4.108 has rubber caps between at both ends so there is no metal from the raw water system to the engine at the heat exchanger - but the water pump">raw water pump is attached to the engine - so the question is what stops the electrolysis - i am replacing my raw water pump because it is green with corrosion - any suggestions and comments will be much appreciated thanks - MVR
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Old 06-09-2012, 15:30   #17
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Re: Heat Exchanger Zincs Not Required ?

My 4-108 Perkins is bonded to the hull zincs and also the prop zinc. Also all the bronze thur hulls are bonded, but there are differing opinions an doing that.
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Old 06-09-2012, 18:05   #18
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Re: Heat Exchanger Zincs Not Required ?

Thanks again Lancelot9898, I am trying to find how to bond the new bronz thru hull I am about to install - can you point me in the correct direction or can you make comment - the boat is a wooden hull and has zink attached to the metal rudder under water - Karl
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