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remaining safely shut when de-energized to prevent unintended fluid bypass
it ensures seamless compatibility for system upgrades
As a genuine OEM replacement
This unit serves as a direct OEM replacement for part number 5SHL-1 and is widely compatible with the Robertshaw Uni-Line 1900-1970 series gas controls
Carrier HH680300 Limit Switch R-410A remaining safely shut when de-energizedThe Carrier HH680300 is an essential OEM L140 15F 3 wire limit switch designed for precision thermal monitoring in residential and commercial furnaces. As a primary safety control switch, it features a fixed 140 degree Fahrenheit cut out setpoint and a 15 degree differential, ensuring the system interrupts operation effectively if the plenum temperature exceeds safe factory limits. This SPDT limit switch is engineered for high cycle reliability,
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