Product Information
Bosch SSB399 Outdoor Sensor
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Bosch SSB399 Outdoor Sensor (P/N 7738005057) is an outdoor temperature sensor accessory intended for use with Bosch SSB-series commercial condensing boilers. It provides ambient temperature sensing for integration with boiler controls to support external-temperature monitoring and simplified field installation. An official Bosch North America product page for P/N 7738005057 was not located; SSB399 is referenced as an SSB-series model in Bosch technical documentation. (bosch-homecomfort.com)
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