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The T4000 is designed for common heat pump and conventional heating applications. Suitable for an energy and budget conscious consumer, this attractive thermostat is available in both programmable and non-programmable configurations.

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This is the category page for the Performance Pro T4000. Not sure which model you need? |
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T4011: PECO Performance Pro, 1 heat 1 cool, non-programmable thermostat |
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T4022: PECO Performance Pro, 2 heat 2 cool, non- programmable thermostat |
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T4511: PECO Performance Pro, 1 heat 1 cool, programmable thermostat |
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T4522: PECO Performance Pro, 2 heat 2 cool, programmable thermostat |
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