While it might seem possible to use a freezer thermostat to control the cooling on a fridge since both appliances involve cooling mechanisms, it is not recommended and generally not a viable solution. The thermostat in a freezer and a refrigerator are designed and calibrated differently to meet the specific cooling requirements of each appliance.
The main reason you can't directly use a freezer thermostat for a fridge is the temperature range and settings. Freezers are designed to operate at much lower temperatures than refrigerators. Typically, freezers are set to maintain temperatures well below freezing, around -18°C (0°F) or even lower. On the other hand, refrigerators are designed to maintain temperatures above freezing, usually between 2°C to 5°C (35°F to 40°F) for optimal food preservation.
Using a freezer thermostat in a fridge may lead to several issues:
Inadequate cooling: A freezer thermostat may not be able to maintain the proper temperature range for the fridge, leading to insufficient cooling for perishable food items.
Frost buildup: Freezers are designed to handle the formation of frost, while refrigerators usually have auto-defrost mechanisms to prevent excessive frost buildup. Using a freezer thermostat in a fridge could lead to frost accumulation and reduce the efficiency of the appliance.
Inconsistent temperature control: The calibration and settings of the freezer thermostat might not be suitable for controlling the temperature in a fridge, resulting in erratic cooling and potential food spoilage.
Compressor strain: The fridge's compressor may experience undue strain and wear due to the freezer thermostat's inability to regulate cooling effectively.
If you find that your fridge is not cooling properly, it is best to consult a professional appliance repair technician or contact the manufacturer for assistance. They will be able to diagnose the issue and replace any faulty components, ensuring that your fridge functions optimally and efficiently.