Trane TMR0080 Y2867 Thermostat Control Relay Unit is a 120 VAC, 0.5 A relay module designed for use in thermostat control circuits within compatible Trane HVAC systems. The part is identified by the NSMP code 0.1-102.3M, linking the model number TMR0080 to the Y2867 designation. This relay unit functions as the interface that actuates thermostat-controlled relays in appropriate installations.
