2 Pack Hot Tub Sensor for Balboa Spa Heater M7 30344 30042 24" Temp/Hi-Limit Fitment: This Temp/Hi Limit Sensor Assembly is used in Balboa M7/LE/Value and SUV Control Systems. The sensors are used at both ends of the M7 heater, it is recommended to exchange both of them at the same time Features: .
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