Wint erizing Your RVWhen RV owners hear the word ?winterize,? it conjures up thoughts of protectingthe RV plumbing system from freezing temperatures. The definition for ?winterize?is to prepare something, such as a house or automobile, to withstand cold winterconditions. This is interesting because RVs are both a house and a vehicle. So, inaddition to winterizing the RV plumbing system, we need to be concerned aboutpreparing the RV?s interior, exterior, and chassis components for the harsh wintermonths too.With that said, the most logical place to start is to protect the RV plumbing systemfrom damage, since this is the number one problem RV owners face duringperiods of freezing temperatures. If you don?t protect the RV plumbing system, anywater remaining in the water lines or tanks can freeze, expand, and break fittingsand lines. This can be a very costly mistake next spring.When I explain how to winterize the RV plumbing system, my goal is to make it assimple as possible and 100% foolproof against any damage caused by freezingtemperatures.The result is a seven-step process to winterize the RV plumbing system:
Before you get started, there are a few items you will need.These items can be found in most RV parts stores:Nontoxic RV/Marine antifreeze. The amount depends on thelayout and length of your plumbing lines. Two to three gallonswill usually do it.A water heater bypass kit, if one is not already installed on thewater heater.A tank cleaning wand to clean and flush the black water holdingtank if the RV does not have a built-in tank flushing system.A water pump converter kit or tubing to connect to the inlet sideof the water pump.Basic hand tools to remove and install drain plugs.