When paired with a standard non-spring return actuator

making it an ideal OEM York replacement part for field service on residential and light commercial equipment

ensuring the system interrupts power if the return air or internal housing exceeds safe limits

ensuring the arc reaches the gas stream at the exact coordinates required for a clean

Lennox 86M50 Tubing Kit 321142-301 When paired with a standardThe Lennox 86M50 Tubing Kit is a critical field service component designed for furnace pressure switch maintenance and air proving circuit repairs. This 31 inch combustion air switch tubing provides a precise fit for Lennox furnace repair applications, ensuring accurate vacuum and pressure signal transmission between the inducer motor housing and the pressure switch. Manufactured from high grade, heat resistant flexible material, the 86M50 tubing is