Universal Compatibility: Seamlessly replaces mechanical thermostats and is the 1E30-913 replacement for existing vertical subbase setups

Does this cartridge require specific tools for installation

the small vent cap must be backed off approximately two turns

typically allowing for a local offset of +/- 2 or 3 degrees

Lennox 26G78 Limit Switch Universal Compatibility: Seamlessly replaces mechanicalThe 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