3977767 replaces number. 3387134 replaces number: 306910, 3387135, 3387139, WP3387134VP. 3392519 replaces number: 3388651694 ,511800-05, WP3392519VP, 3977398, 3399693,WP3977767VP, AP3131941, 898078. A thermal fuse is a disposable item that must be replaced with a new one when it is blown once The thermostat can be changed in the following cases.
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