this OEM furnace limit switch ensures exact electrical specifications and mounting alignment for Carrier

as a genuine Lennox part

and abrasive atmospheric debris

It is an essential component for technicians performing standard maintenance or compressor burn-out recovery on residential and light commercial heat pumps

Trane SWT1245 Pressure Switch 30067439-890 this OEM furnace limit switchThe Trane SWT1245 Pressure Switch is an essential OEM safety component designed for precise pressure monitoring within a . 05 5" WC (Water Column) range. Engineered for high accuracy detection, this differential pressure switch serves as a critical safeguard in residential and commercial HVAC systems, effectively identifying low airflow conditions, blocked filters, or venting obstructions. When system pressure deviates from the specified set point,