Lennox 18M84 Limit Switch Els PW 17895 Encapsulated Design: The hermetically sealed

Encapsulated Design: The hermetically sealed switch prevents contact contamination from dust

and Frigidaire furnaces

Cracks in the insulation or loose terminal connectivity will bleed off the voltage required for a strong spark

and HE105C models

Key Benefits Universal Compatibility: Seamlessly integrates with 35 and 70 inch-pound non-spring return actuators

Lennox 18M84 Limit Switch Els PW 17895 Encapsulated Design: The hermetically sealedProfessional grade Lennox 18M84 limit switches are critical safety components designed to regulate internal furnace temperatures and protect heat exchangers from thermal stress. This OEM Lennox limit control features a 3 inch insertion depth and is factory calibrated for an auto reset range of 230 260F. As a normally closed switch, it breaks the electrical circuit to the gas valve if the plenum temperature exceeds the 260F threshold, typically caused