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Old 11-19-2019, 01:22 AM   #1
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Join Date: Nov 2019
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Connecting antifreeze to water pump

Hey, first time winterizing my forest river Rockwood 232esp. Which valve on the water pump do I disconnect to connect a tube for the antifreeze?
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Old 11-19-2019, 01:46 AM   #2
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Location: Great White North
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The inlet coupling. The pump will typically (some are not) be marked adjacent to the inlet and outlet fittings. I'd consider just blowing the system out with compressed air and using a bit of AF for the p-trap in the kitchen.
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Old 11-19-2019, 06:39 AM   #3
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On most if not all Rockwood or Flagstaff trailers you do not have to disconnect anything. On the outside somewhere, usually near the city water connection will be a hose fitting the same as the city connection marked antifreeze or winterizing. Just get a short length of garden hose and connect it there with the other end placed in the jug or bucket of pink.

Then there will be a 3 way valve on the pump suction line you need to turn which isolates the pump suction line from the FW tank. Might be hard to find. Run the pump and suck the pink right into the system.
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antifreeze, pump, water, water pump

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