This 1-pole magnetic contactor features a 24V AC coil and is rated for a 20 FLA (Full Load Amperage) capacity

and thermal stress in demanding HVACR environments

The Lennox 97M79 Piston is a precision-engineered fixed orifice metering device designed for specific HVAC refrigerant flow control applications

As the direct OEM replacement for 5500-134 and the obsolete INF series

it supports the control board's flame sensing requirements

Lennox 20W37 Limit Switch L99H008 This 1-pole magnetic contactor featuresThe Lennox 20W37 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. Engineered as a 120 160F AUTO limit switch, this Lennox replacement part functions by monitoring the plenum temperature and breaking the electrical circuit if the discharge air exceeds the 160F safety threshold. Once the unit cools to the 120F reset point, the Lennox 20W37 automatically resets, allowing