I just had our Class A winterized and was wondering why could you not just blow out all the water lines and make sure you have "NO" water in the RV during the cold months? Yes, I am new at Rving. Gues...
I hook up my hoses to the city water hookup the other end to the compressor and blow out my lines. Then I pour a gallon of antifreeze in the hose and back up to the compressor and blow the antifreeze through the lines one faucet at a time. Then I blow till all of the antifreeze is gone. I winterize my hoses and rv at the same time. Plus in spring time I am ready to go...