Lennox 18M84 Limit Switch Els PW 17895 Simplified Calibration: Open setpoint slot

Simplified Calibration: Open setpoint slot allows for easy adjustments while the cover remains secured to the backplate

Key Benefits Universal Compatibility: Multi-voltage primary leads (120/208/240 VAC) reduce the need for carrying multiple single-voltage units on the truck

Can this gasket be used on both the 800 and 900 series traps

helping to maintain stable superheat and preventing liquid slugging at the compressor

This "slug" of cool water acts as a physical barrier

Lennox 18M84 Limit Switch Els PW 17895 Simplified Calibration: Open setpoint slotProfessional 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