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Heatcraft 5521R is a defrost termination switch (OEM Heatcraft part) used to control defrost heater operation in refrigeration systems. The unit is listed as an OEM replacement (AllPoints HEA5521R) and is intended for electric-defrost cooler and freezer applications; some listings identify it as a 2-wire thermostat with a 40â50 degree range.
OEM Heatcraft defrost termination switch (5521R/HEA5521R) for electric-defrost refrigeration; compact form factor and 2-wire configuration.
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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