Technicians should inspect for dirty filters

this is a Single Pole Normally Open (SPNO) relay

It maintains the same technical specifications and mounting footprint for a seamless swap

As a veteran-grade OEM furnace replacement part

checking the capacitance is your first move

Trane CTR2589 Contactor Technicians should inspect for dirtyThe Trane CTR2589 Contactor is a legacy matched, 30 Amp 2 Pole HVAC contactor engineered for reliable motor and compressor switching in residential and light commercial systems. Featuring a 120V coil, this high performance component is the administrative direct replacement for CTR1138, ensuring a seamless drop in fit for service technicians managing aging Trane and American Standard units. Designed to handle the inductive loads common in condenser