Lennox 26G78 Limit Switch While often used for similar

While often used for similar tasks

use a dedicated 120 series continuous duty model

this component provides the high-voltage arc necessary for rapid gas ignition while simultaneously monitoring the burner flame to ensure safe

Common signs include uneven flame heights

Lennox 26G78 Limit Switch While often used for similarThe Lennox 26G78 is a high performance 185F AUTO limit switch engineered for critical temperature regulation in residential and commercial HVAC units. As a direct replacement for Lennox 26G7801, this normally closed disc style switch acts as a primary safety mechanism, breaking the electrical circuit when the plenum temperature reaches its 185F threshold. Designed for rapid response, the automatic reset furnace limit restores connectivity once