
If your side-by-side refrigerator isn't as cool as it should be and frost is forming in the freezer, a failed to defrost sensor could be to blame. This DIY repair guide shows how to replace the refrigerator defrost sensor, also called a defrost thermostat bi-metal.


ltem NO | ELTH-001 7515A |
Use | Defrost/Temperature control/Protection |
Appliance | Refrigerators, Freezer |
Reset type | Automatic |
Basic material | Bakelite, Epoxy Resin, PA |
Electric rating | 250V 10A |
Action temperature range | -30°C~90°C |
Differential | According to the requirement |
Insulation resistance | ≥100MΩ |
Tolerance | Refer to the regulation |
Life cycle | 100,000 times |
Contact material | Silver |
Dielectric Strength | Parts between electriferous components and non-electriferous ones can bear 2000V (3750V for Reinforced insulation type) 50Hz AC current, which is nearly sine wave, for one minute as bearing test. Resulted no breakdown, no flashover. |
Insulation Resistance | With a DC 500V megger, borne DC 500V, the tested value is over 10MW. |
Resistance Between Terminals | Below 50mW |
Temperature characteristics | Normal close, Normal open |
Maximum Ambient Temperature | 90°C |
Diameter of Bimetal Disc | F12.7mm(1/2″) |
Wire Leads | Color: Red Length: customized |
Terminal type | Customized (Refer to our specification) |
Cover/Bracket | Customized (Refer to our specification) |
Sample Price | Free sample USD 50 freight charge, refund after mass order |




Does the fridge thermostat control the freezer?
The dial relates to power levels, rather than °C temperatures. To lower the fridge freezer temperature you would turn up the thermostat to increase the power, making it run colder. If your fridge is too cold, turn the dial down.

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