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This module is specifically engineered for compatibility with HSI series boilers and commercial pool heaters
fitting a wide array of furnace inducer and ventilation configurations
Flexible Differential: The adjustable deadband of 15-30 psi prevents rapid pump cycling and extends motor life
Smith equipment to ensure seamless integration with the master control board
Resideo ZD6X14TZ Damper 321042-401 This module is specifically engineeredFor your next residential or light commercial zoning project, the Resideo ZD6X14TZ provides a rugged and reliable solution for managing airflow in rectangular ductwork. As a veteran in the field, you know that HVAC zone dampers are the backbone of a balanced forced air system. This 6" x 14" parallel blade zone damper features high grade extruded aluminum construction with high temperature plastic components, ensuring it handles static pressures up to