Quote:
Originally Posted by Dananu
You need to make a jumper wire to open the water valve to the ice maker to blow it.
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Since I am a certified nut (per my dear wife) I blow my Senecas lines out with air then pump antifreeze. Early on I retrofitted a 10-gallon Atwood XT hot water heater, which has a single valve to bypass the unit and I just leave the drain plug out all winter.
What Dananu refers to is that in order to get either air or antifreeze through the Norcold's icemaker you have to trigger the water solenoid manually. It is 110/120-volts, not 12. That is why you have to have AC power available to make ice. I used a zip-style extension cord, I cut off the female (receptacle) end and installed 2 female spade lug terminals. I unplug the rig's connections to the solenoid, plug in my cord when ready, and that will allow air or antifreeze to run through the icemaker. Make sure you have some towels in the bottom of that freezer compartment to catch the escaping water/antifreeze. Only leave the solenoid plugged in as long as it takes to accomplish, I doubt it is rated to be left "on" continuously.
In the Spring I use the same jumper and procedure to clear the line and icemaker of antifreeze, then to send sanitizing water to it, and ultimately to do a final flush. Plus I still toss the first few batches of ice whenever we take a trip.
Overkill? Perhaps. But I don't want to damage the icemaker or make myself or the family sick from contaminated ice!