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    Aprilaire 8140 Ventilator (Before October 2017)

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      Parts

      Diagram

      Parts
      7

      Parts

      1. 7
        Relay
        Relay
        SKU: 4740

        1

        Needed
        $23.00
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      Aprilaire 8140 Ventilator (Before October 2017)
      The Aprilaire 8140 ventilation control energizes a blower in the ventilator and opens an integrated damper delivering fresh air into the return or the supply. It includes an onboard controller so that ventilation can be controlled by a thermostat located within the living space.