Question about Sub-Zero Bottom Freezer Refrigerator
My water drain backs up regularly and floods/freezes the lowest shelf. It also drips into the freezer drawer icing it shut. How do you unplug the drain and or stop it from freezing up?
The problem is that the water freezes in the drain, either because the door is not sealing good, it's open too often or there is mold in the catching tray and tube. Best solution is to take a turkey baster (pump), disconnect the flexible tube from the tray, by pulling down, take a large cup with very hot water mixed with a spoon or 2 of Clorox, fill the baster with that mixture and pump it on the drain tube. You have to do it several times, water will come out, but do it until you hear a "woosh" sound and the water goes freely on the drain. Also spill some of that mixture in the tray so it kills the mold.
Posted on Apr 17, 2008
Try to defrost system get a tube that fits the drain hose, then they to blow it out.... if that does not work.. you might have to install a new drain... you have to pull out unit to get back side.. to install new tube... another point. subzero does make a tube heater that does go in the drain.. part number 4201290. also, make sure that the drain trough is clean and the silicone is still in tack...
Posted on Apr 15, 2008
Simply defrosting the drain is a temporary repair. A service tech will typically have two choices for this repair... a drain tube heater wired to the evap. motor or a floor heater package that includes drain tube heater but also has a heater for the bottom of the refrigerator mounted under the crispe drawers. This floor heater package almost always cures the problem.
Posted on Sep 27, 2009
550 sub zero foam is wet and driping. ice maker water line disconnected. drip tube is clear
Posted on Jun 29, 2011
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Posted on Jan 02, 2017
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