Then do the same for the cold water faucets. That’ll pump the antifreeze all through the water system and pressurize it.Īfter the system’s been pressurized, turn on the hot water in each faucet til you see antifreeze come out. Then, close all the faucets and drain lines on your RV, and turn on the water pump. Before adding the antifreeze, you’ll need to install a water pump converter kit – or you can place the inlet side of your water pump in the jug of antifreeze. Add Antifreezeįinally, you’ll want to fill the system with an antifreeze that will keep the pipes protected from the changes in temperature that come with winter. The reason you need to install a bypass is to ensure antifreeze won’t get into the water heater, which can cause a major issue when you turn the heater back on in the spring. Some RVs have bypasses already installed, but if you don’t have one in yours, we’ll be happy to install one for you at Blue Dog RV. Now that you’ve removed all the water from your RV, you’re about to start adding things – but before you do, you need to bypass the water heater. For your safety, don’t drain the water heater if it’s hot or under pressure! Turn it off and let it depressurize first to avoid an accident.Īfter the water heater is drained, drain the lines by opening all of your RV’s faucets, both hot and cold, to let all the water in the system drain out. After that, remove the drain plug and open the pressure relief valve to drain the water out of the unit. Drain Water Heater and Water Linesįirst, turn your water heater off and let it cool down and depressurize. Finally, clean the black tank with a black tank cleaner or cleaning wand to ensure bacteria don’t grow during the winter. To avoid a potentially dangerous situation regarding wastewater, you’ll want to drain both tanks, starting with the black water tank and moving to the gray water tank afterward. Water left inside those tanks can become a breeding ground for bacteria, as well as freeze, expand, and crack the tank or other parts of your plumbing system. One of the most important things you can do before leaving your RV to sit for the winter season is to empty the wastewater tanks. The winterization chemicals you’ll add later can damage water filters, plus you can see if they need replacing when you remove them! Drain Black and Gray Water Tanks Remove and Bypass the Water Filtersīefore anything else, you should remove the water filters from your unit, and bypass them as well. If this process feels overwhelming, don’t worry – the experts at Blue Dog RV are happy to winterize your RV for you! If you’re more of a do-it-yourselfer, however, read on. In this post, we’ll show you step-by-step instructions for winterizing your RV, so you don’t have to worry on the first trip of spring. RVs are particularly susceptible to freezing temperatures, because of their plumbing systems and interstitial areas where water can build up and freeze, which causes major problems when your RV thaws out in the spring. Winter is coming, and with it colder weather, looming snow storms, higher winds, and a big challenge for RV owners.
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