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42-42139-11
High-Output Performance: Delivers a consistent 500mV to 750mV range to ensure the main burner ignites efficiently upon a call for heat
Can I use this valve for high-pressure gas lines
When replacing an expired coil
the internal link melts to ensure the system remains in a hard lockout until the underlying airflow or combustion issue is diagnosed and remediated by a professional
Trane SWT4230 Limit Switch 318172-701 42-42139-11The Trane SWT4230 Limit Switch is a genuine OEM replacement part engineered for high temperature circuit protection in residential and commercial heating systems. Classified as an L215F limit switch, this SPST (Single Pole Single Throw) thermal cut off is designed to open an electrical circuit when the sensor detects a temperature rise reaching 215F. This precise interruption prevents heat exchanger damage and ensures safe operation within the supply
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