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High Thermal Stability: Engineered for consistent resistance levels during the warm-up cycle to reduce wear on the 120V integrated furnace control board
Can I cross-reference this part with older Johnson Controls or Unitary Products numbers
The silver cadmium oxide contacts are designed to resist pitting and welding under high-current arcing
Common Questions What is the primary function of the 080Z0018 module
Lennox 38M68 Limit Switch 321042-401 High Thermal Stability: Engineered forThe Lennox 38M68 Limit Switch is a critical safety component designed for precise thermal regulation within residential and light commercial HVAC systems. This Type L205 30F furnace limit control features a 3 inch insertion depth, specifically engineered to monitor heat exchanger temperatures and prevent hazardous overheating conditions. With an auto reset 175 205F range, the switch opens the circuit at 205F and automatically closes at 175F to restore
