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and Arcoaire
this part is engineered to monitor heat exchanger temperatures
Hydraulic Seal Integrity: Specifically designed to flow into the housing's imperfections
Ensures precise linkage alignment for accurate air volume control in complex ductwork systems
Combustion Precision: Maintains the critical air-tight seal required for proper pressure switch operation and stable flame signals
Nordyne 626508R Limit Switch and ArcoaireThe Nordyne 626508R is a critical high limit safety component designed for residential gas furnaces and air handlers. This L250 40F limit switch acts as a primary safety sensor, monitoring the heat exchanger and plenum temperatures to protect the system from thermal damage. Factory calibrated to normally closed (NC) specifications, the 626508R Auto Limit Switch will open the circuit to interrupt the burner if temperatures reach the 250F cut out
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