This model features field-adjustable dwell-feed cycles

The LF909-QT is specifically designed for horizontal installation to ensure the relief valve functions correctly and clears the air gap drain

Durable Construction: Built to withstand the high-heat environment of the burner assembly with robust terminal connections

5 to 5 nominal tons

Carrier 310283-303 Blower Cutoff 323613-751 This model features field-adjustable dwell-feedWhen you're dealing with standard efficiency Carrier, Bryant, or Payne furnace platforms, the Carrier 310283 303 Blower Cutoff is a critical baffle component for maintaining proper static pressure and internal airflow velocity. As a veteran technician knows, this isn't just a piece of sheet metal; its an engineered airflow regulator that prevents air turbulence from bypassing the heat exchanger. This OEM replacement part is precision stamped to match