Lennox 10M61 Limit Switch 321894-706 limit switch lockout) located on

limit switch lockout) located on the furnace's wiring diagram or service manual

Cost Efficiency: Extends the service life of existing valve bodies

Installing a suction-style drier in the liquid line can lead to excessive pressure drops and potentially catastrophic system damage

Durable Construction: Features a rugged 48Y frame size and sleeve bearings designed for continuous duty cycles in residential furnaces and air handlers

Lennox 10M61 Limit Switch 321894-706 limit switch lockout) located onThe Lennox 10M61 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial furnace heating systems. As an OEM replacement part, this L180 40F limit control is engineered to open the electrical circuit when the plenum temperature reaches 180F, effectively preventing heat exchanger damage and ensuring safe appliance operation. It features a 40F differential, meaning the switch will