Lennox 27K79 Limit for high-pressure steam over 150

for high-pressure steam over 150 PSI

heat pumps

Engineered for furnace high limit protection

Standardized Board Mounting: The 1

saving time during routine service calls

Lennox 27K79 Limit for high-pressure steam over 150The Lennox 27K79 175F Limit is a critical safety component designed for precise thermal regulation within the furnace plenum. As a primary high limit control, this genuine OEM replacement part is engineered to interrupt the electrical circuit to the gas valve if internal temperatures exceed the 175F threshold, effectively preventing heat exchanger damage and ensuring system safety. This furnace high limit switch features an automatic reset mechanism