Herb Posted October 18, 2019 Report Share Posted October 18, 2019 When winterizing my camper I was getting antifreeze back in my freshwater tank I have camco converter kit installed this is the first time that it happened it work perfectly for three years Quote Link to comment Share on other sites More sharing options...
Dutch_12078 Posted October 18, 2019 Report Share Posted October 18, 2019 (edited) Oops! I misread the question and thought water heater tank instead of fresh tank. Disregard... Edited October 18, 2019 by Dutch_12078 Quote Link to comment Share on other sites More sharing options...
Kirk W Posted October 18, 2019 Report Share Posted October 18, 2019 You may have a bad valve at the pump suction as I believe that it is designed to change the pump suction from the tank to your antifreeze jug? It could also be that if you have a potable water tank fill valve that fills the tank from the city water connection and that is open to fill the tank, it would also allow the pump to push antifreeze from your supply, through the fresh water system and past that open tank fill valve to the top of the fresh water tank. If that happens it would also use far more antifreeze than normal. Quote Link to comment Share on other sites More sharing options...
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