maintaining exact dimensional and performance specifications

Ensures HVAC energy efficiency by locking setpoints into pre-approved

Common Technician Questions: What does the 3-try sequence signify for field diagnostics

preventing frequent cycling while ensuring optimal thermal efficiency

or moisture/condensation behind the glass often indicate that the 100163214 seal has degraded and requires immediate replacement

Lennox 76W34 Limit 320819-301 maintaining exact dimensional and performanceThe Lennox 76W34 Limit Switch is a high precision furnace high limit safety control engineered for Lennox HVAC systems. As a critical genuine OEM replacement part (also identified as Lennox 102610 01), this component features a factory set 200F limit to protect the heat exchanger from thermal stress. When supply air temperatures exceed the safe threshold, the open on rise mechanism interrupts the burner circuit, preventing system damage and ensuring