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an infinite (OL) reading indicates a failed relay coil
preventing unburned gas from entering the main burner
ensuring precise fitment without cabinet modifications
making it a versatile component for any hydronic setup
below the oil level
Carrier 338085-758 Switch 322838-753 an infinite (OL) reading indicatesThe Carrier 338085 758 Limit Switch is a critical safety component designed for precise temperature regulation within high efficiency furnace systems. This L210 20F limit switch is engineered to monitor heat exchanger temperatures, effectively tripping to interrupt the burner circuit if the internal temperature exceeds the 210 degree Fahrenheit fixed setting. It features a 20 degree differential for automatic reset, ensuring the blower fan continues
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