Winterizing Aqua Hot System
Just wondering how coach owners with Aqua Hot Systems winterize their systems? We pumped 4 1/2 gallons of anti-freeze into ours last November. In the process of purging the system now. Do you prefer t...
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1. Blow out will not render an Aqua Hot system free from freezing
2. What you do, is blow out the complete water system. Once that is done, You Close the cold water low point drain, leave the Hot Water low point OPEN. Connect a short hose to the INPUT side of the water pump with the hose in a gallon of RV antifreeze. Run the pump until pink antifreeze comes out of the Hot Water low point drain. Your Aqua Hot is now freeze proofed. I have never had it take more than 1.5 gallons of RV antifreeze to do this procedure regardless of the Brand/model motorhome. Doug
2. What you do, is blow out the complete water system. Once that is done, You Close the cold water low point drain, leave the Hot Water low point OPEN. Connect a short hose to the INPUT side of the water pump with the hose in a gallon of RV antifreeze. Run the pump until pink antifreeze comes out of the Hot Water low point drain. Your Aqua Hot is now freeze proofed. I have never had it take more than 1.5 gallons of RV antifreeze to do this procedure regardless of the Brand/model motorhome. Doug
