WINTERIZING INSTRUCTIONS

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Antifreeze Requirements: 2 to 4 gallons of Propylene Glycol (Pink)

I. Drain Entire Water System

   A. Locate and open low point drains for hot and cold water lines.
          (open all faucets including exterior faucets to allow air to force
          water out of lines.)

B. Drain water heater by removing drain plug located on front of
water heater.

C. Drain all holding tanks. (fresh, black, and grey tanks)

II. Prepare System For Antifreeze

   A. Close all faucets and low point drains.
   B. By-pass water heater by one of the following methods:
       1.) Some RV’s are equipped with one or a series of by-
              pass valves on the back side of the heater (inside the
                   trailer.) Locate and turn these valves to the appropriate
              positions so as to not allow antifreeze into the water
              heater, but rather divert it directly from the cold line
              into the hot. Note: You never want to put antifreeze
              into the water heater!

       2.) If your RV does not have built in by-pass valves you
              must disconnect the cold and hot line from the back of
              the water heater and couple them together. Be careful
              you do not cross thread the fittings!

   C. Locate the on-board water pump
       1.) Some RV manufacturers pre-plumb a siphon hose for
              winterization. If your is pre-plumbed you must shut
              off the valve on the water line from the fresh tank and
              open the valve for the siphon hose.

       2.) If a siphon hose is not pre-plumbed you must make
              your own, remove the line on the suction side of the
              pump, and install your own siphon hose.
   D. Remove all water filters and install couplers where needed. If
          antifreeze is run through filters, they are ruined and must be
          replaced!

III. Pump Antifreeze Through System

A. Place siphon hose into gallon jug of antifreeze and turn pump
on.

   B. Move throughout the RV opening both the cold and hot sides
         of the faucets one at a time until nothing but antifreeze comes
         out of them. Note: Interior and exterior shower hoses must
         have antifreeze ran through them as well.
   C. Flush antifreeze through toilet and any other appliance that
          is connected to water system (washer/dryer, ice-makers, etc).
   D. Winterize city water inlet

       1.) Turn off water pump
       2.) Open and close, very quickly, the cold side of any
              faucet to relieve some, but not all of the pressure on
              the cold lines. Note: If you attempt step 3 below
              without letting some of the pressure off of the lines
              you could damage the city water check valve.
       3.) Go out to the city water inlet and depress the check
              valve to allow antifreeze to force any residual water
              out of inlet. When antifreeze come out of inlet the
              winterization process is complete!

IV. Dewinterization

   A. Hook RV up to city water or fill fresh tank.
   B. Flush all lines and appliances with water.
   C. Re-install water filters.
   D. Reset water heater back to normal mode and fill water
          heater by opening the hot side of any faucet until a steady
          flow of water comes through. Note: Do not reset water
          heater to normal mode until all antifreeze has been
          flushed out of system.
E.   Turn your water heater on and enjoy camping!

Winterizing Supplies | Online RV Parts Store | RV Service

service department toll free 1-888-691-3635
parts department toll free 1-888-895-6092

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