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Old 07-29-2015, 05:00 AM   #23
FF
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I think I'm going to try the low hanging fruit. First disconnect, clean hoses and connections and then back flush the tank heat exchanger. I'll try that and post a result. BTW we have no mixing valve. Loon

These are on the antifreez loop in the engine.

Cleaning is usually not requirred

I would look for a kink in the hose circuit to the HW heater.
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