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The Rectorseal SST-AB is a transition fitting designed to connect a furnace measuring twenty-one inches by fourteen and twenty-five hundredths inches to a B box coil, which measures twenty-one inches by seventeen and seventy-five hundredths inches. This fitting provides a secure and reliable connection to enhance airflow and efficiency in HVAC systems.
The SST-AB is essential for ensuring seamless transitions between furnace and coil configurations in various HVAC systems.
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