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The FILTERSCAN WiFi® Home affordable airflow sensor and differential pressure monitor sends you a text or email when it's time to change your home's air furnace filter.

     Installing the FILTERSCAN WiFi Air Filter Monitor is straightforward and the unit is easily recalibrated each time the air filter is serviced.

    Because of this, you can change your home heating and cooling system air filter models without undermining clog-detection performance. The FILTERSCAN WiFi connects to the wireless router in your home. For more information, see How to InstallCalibrate and Operate the FILTERSCAN Air Filter Monitor.

    Watch Our Installation Video

    FILTERSCAN-installation-optionsUpstream Installation

    Upstream: This refers to installing the air filter monitor on the cold-air return duct before the filter and blower.

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    FILTERSCAN-downstream-installation.jpgDownstream Installation

    When you install the air filter monitor downstream, you place it on the cold-air return duct after the filter, and before the blower. This is the ideal location for installing the FILTERSCAN.

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    FILTERSCAN-installation-differentially-across-filter.jpgDifferentially across the filter

    In this case, the air filter monitor is installed either before or after the filter and using the optional Tubing Kit. Set the slide switch to the Downstream position for differential mounting.

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