Replacing an aging or fouled HVAC pressure switch with this genuine Lennox 79J0801 part restores original factory specifications to the unit

this component is frequently used for managing high-current loads like blower motors and condenser fans through low-voltage thermostat circuits

This electrical dampening effect protects sensitive control boards and high-value components from the potential damage caused by excessive current surges and voltage spikes within the circuit

4441-01 and HKN-E9-12-02

or contact welding due to excessive Locked Rotor Amps (LRA) from a failing compressor

Emerson Alco 065873 Expansion Valve Els PW 17895 Replacing an aging or fouledFor contractors servicing high efficiency residential systems, the Emerson Alco 065873 expansion valve (Model AACE 3 ZW195) provides the 3 ton capacity and precision control required for R410A refrigerant applications. This thermostatic expansion valve (TXV) is engineered with a stainless steel power element to prevent corrosion and ensure a hermetic leak free construction, critical for long term system integrity in demanding environments. Featuring