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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
It will close the circuit once the temperature falls below the 105°F threshold
Constructed for rugged durability
Extended Lead Wires: 24-inch leads simplify installation and provide extra reach for complex control cabinet wiring
Tripping is typically caused by inadequate vent draw
Integrated Safety: Built-in thermal fuse protection prevents transformer burnout and system-wide electrical damage
Carrier HH12ZB170 Limit Switch It will close the circuitThe Carrier HH12ZB170 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency furnace and air handling units. This OEM replacement limit switch features a fixed temperature range, engineered to open at 170F and automatically reset when temperatures drop to 130F. As an L170 40F thermal switch, it provides essential protection against heat exchanger overheating by interrupting the burner circuit if airflow
US$ 24.99
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