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It includes the float and the necessary seals/springs to repair the vent section
Use a multimeter to check for continuity across the terminals when the system is cool
and various System 1 modulating furnaces
replacing the 071-03409-003 red spring restores the mechanical accuracy required for safe combustion
Carrier HH12ZB170 Limit Switch It includes the float andThe 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$ 148.00
US$ 45.00
US$ 56.00
US$ 35.00
US$ 200.00