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Testo 6621

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  • Testo 6621 HVAC Temperature & Humidity Transmitter

    Brand: Testo
    Item #: XXYY-0555-6621

    Starting at: $180.00

    Product Description

    6621 HVAC Temperature & Humidity Transmitter by Testo A broad variety of the testo 6621 transmitter is available. Depending on the application in a room or in a duct, the…

  • Testo Replacement Sensor for 6621 A02 and A03 versions, and probe series 6600 - 0420 0006

    Brand: Testo
    Item #: 0420-0006

    $152.00

    Product Description

    Replacement sensor for 6621 A02 and A03 versions, and probe series 6600

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