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How do I know if I can use a Filtrete (TM) Thermostat from 3M with my heat pump?

April 26, 2017filtrete heat pump thermostat TM

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How do I know if I can use a Filtrete (TM) Thermostat from 3M with my heat pump?

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Filtrete (TM) Thermostat from 3Ms are currently available for single stage heat pumps and heat pumps with auxiliary heat. If you have an emergency heat switch and have a W2 wire and/or X2 and /or E wire on your current thermostat, you need a Filtrete (TM) Thermostat from 3M compatible with heat pumps with 2 stage heat. See compatibility Matrix for compatible models.