Carrier HH680300 Limit Switch R-407A Debris-Resistant Internals: Engineered with no

Debris-Resistant Internals: Engineered with no close-fitting sliding parts in the water passages

preventing control failure due to voltage fluctuations

OEM Standards: Manufactured as an authentic service part to ensure structural integrity and fitment within the burner chamber

Designed specifically for standing pilot furnace repair

Carrier HH680300 Limit Switch R-407A Debris-Resistant Internals: Engineered with noThe 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,