this unit enhances system reliability by providing precise control over bypass dampers equipped with floating-type actuators

Key Benefits Precise Diagnostics: Enables accurate flame current measurement to identify flame rectification issues before condemning expensive gas valves

low-resistance connection compared to field-modified generic cords

This assembly is standard for 230V applications requiring CCW lead end rotation

Common Questions What causes the HH11AZ180 vent safety switch to trip

Trane SWT2686 Limit Switch 320720-756 this unit enhances system reliabilityWhen you are looking for a reliable Trane SWT2686 Limit Switch replacement, ensuring the correct thermal calibration is critical for system safety and furnace uptime. This OEM Trane heating part is a 125 155F AUTO limit switch, specifically engineered to act as a primary safety control by monitoring discharge air or internal plenum temperatures. It features a precise 125 degree opening temperature and resets automatically at 155 degrees, preventing