Bi-metallic Thermostat assembly
This Bi-metallic thermostat is a simple device that flexes with heat to open or close the draft door in your furnace or circulator.
Model #: 81903
- Easy Installation
- 60°F to 260° temperature range
- Bimetallic assembly for use in automatic damper door
- Also fits B2350 Series circulators for automatic operation
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