Lennox 98G46 Limit Switch 326058-756 power must be interrupted by

power must be interrupted by cycling the thermostat or the system switch for at least 10 seconds to initiate a new ignition sequence

the THT2440 ensures superior electrical conductivity and resistance to oxidation in high-duty environments

Precise Switching: SPNO contact configuration provides reliable electrical continuity upon reaching the specified vacuum threshold

While the electrical logic is standard

it is UL/cUL recognized and rated for 700 psig

Lennox 98G46 Limit Switch 326058-756 power must be interrupted byThe Lennox 98G46 Limit Switch is a critical safety component designed for precise thermal management in high efficiency HVAC systems. This OEM 140F Limit Control functions as a primary high limit safety, featuring an auto reset mechanism that triggers at specific temperature thresholds to prevent heat exchanger damage. Formally rated for a 100 140F range, this SPDT limit switch accurately monitors internal plenum temperatures, interrupting the burner