Recently we experienced an overheat alarm and had to be towed back to a marina. After doing some quick checks it appeared as though the hot water heat exchanger leaked on the closed loop side and lost enough coolant to create the overheat. This is the side that is plumbed to the engine and carries hot water to and from in order to heat the house water while running. I replaced the water heater, which was 7 yrs old and rather funky inside the cold water supply fitting. I also cleaned the Temperature Compensating Valve inside and out. While doing so I could see where it was leaking slightly from what appears to be a weep hole. Since it was a very minor leak (or maybe the cause of the entire issue) I used Rescue Tape to stem 99% of the leak. I then started trying to find a replacement online without any luck. Tried to get one from my Beneteau dealer but struck out there as well. Finally called Beneteau Parts only to find they don't stock them. They contacted their engineering department and have promised to get back to me. After 3 days and a return call to them they still haven't been able to provide a source for the valve. While I'll still work with them in hopes they can find one I've begun to look outside of the usual marine suppliers. Home Depot carries one but its for a home hot water heater. I suppose I could make it work. Or I could just remove it from the system all together but that would risk someone scalding themselves. Has anyone had an issue with theirs? Any other suggestions?
Thanks
Mike
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