Check the listing for details. Trane AY28X092 Thermostat - New Old Stock. Color: Beige, Condition: Used, Made in United States. Listed at 34.95 USD. The Trane AY28X092 Thermostat is a new old stock product featuring a beige color with a rotary knob, switch, and analog/mechanical control style. This non-programmable thermostat offers simple and easy control for heating, cooling, and air systems in a home. With its reliable Trane brand behind it, this thermostat is a solid choice for maintaining a comfortable home environment while adding a touch of retro charm with its analog control style.The Trane AY28X092 Thermostat is a new old stock product featuring a beige color with a rotary knob, switch, and analog/mechanical control style. This non-programmable thermostat offers simple and easy control for heating, cooling, and air systems in a home. With its reliable Trane brand behind it, this thermostat is a solid choice for maintaining a comfortable home environment while adding a touch of retro charm with its analog control style.