Trane TCONT103AN21HA Thermostat
Trane TCONT103AN21HA 2Ht/1Cl Heatpump Thermostat
TCONT103AN21HA is the direct replacement for TCONT401AN21MA, TCONT401AN21MAA, XR401, ACONT401AN21MA
QUESTIONS & ANSWERS
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Does this thermostat work with my old xl1000 Trane thermostat it's 8 wire
Please see links below for spec and installation manaul to see if it suits your needs. Thank you.
Spec Manual
Installation Manual