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Whirlpool 4387490 is a refrigerator defrost terminating thermostat that clips onto 5/16 in tubing and controls defrost cycle termination. The thermostat opens at 48°F and closes at 18°F and includes 5-inch wire leads for splicing to existing wiring. It functions as a direct replacement for several Whirlpool and OEM part numbers and fits compatible refrigerator models from Amana, Jenn Air, Kenmore, Magic Chef, and Maytag.
Clip-on defrost thermostat for refrigerators; 48°F open / 18°F close; 5 in wire leads; replacement for Whirlpool 4387490 (SL7490).
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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