A 2-pole contactor like the 42-25102-01 breaks both "hot" legs of the circuit

this AC disconnect switch provides essential overcurrent protection for condensers

You must verify that your furnace model supports dual-stage firing to ensure the 24V signals are sent correctly to the high and low-stage solenoids

reliable interface even under harsh industrial vibration

The stacked design allows for multiple circuits to be controlled in a compact footprint

Intermatic T104R Timer 30067439-890 A 2-pole contactor like theThe Intermatic T104R Timer is a 24 hour mechanical time switch engineered for heavy duty industrial and commercial applications. This DPST (Double Pole Single Throw) unit is designed for 208 277V electrical systems and is housed in a rugged NEMA 3R case, ensuring reliable performance in both indoor and outdoor environments. As a professional grade solution, the T104 is the direct replacement for 1104 models, allowing for a seamless transition without