Chromalox Freeze Protection Thermostat B121-384104

The Chromalox Freeze Protection Thermostat B121-384104 from Thermal Devices, an authorized Chromalox distributor. Maintaining proper viscosity and flow is critical in heat trace or freeze protection applications. The B100 direct mount thermostats feature liquid-filled thermal assemblies and sense air temperatures from 15 to 140 F. This model is epoxy coated to seal from moisture and contaminants in compliance with NEMA 4X requirements. NEMA 7 stats E121/122/122P and B121 are designed for Class I, Division I and 2, Groups B, C, D, and Class 2, Division I and 2, Group E, F, G.

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