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The set point is adjusted by removing the top cover and turning the adjustment screw to the desired inches water column setting indicated on the internal scale
preventing system short-cycling and maintaining precise refrigerant flow control in critical cooling applications
ensuring the inducer motor generates sufficient negative pressure to safely vent combustion gases before the ignition sequence begins
Key Benefits Universal Series Compatibility: Engineered for perfect fitment with T7400
This part is the specified replacement pressure switch for both standard atmospheric units and the 207A-407A Low NOx series manufactured after October 2004
Lau 01556507 Blower Wheel Els PW 17895 The set point is adjustedFor contractors requiring a high capacity replacement, the Lau 01556507 blower wheel (also identified as 150 01556507) is a direct drive blower wheel engineered for heavy duty HVACR performance. This DD12 12A model features a 12 5 8" diameter and 12 5 8" width, utilizing a double inlet forward curved design to move maximum air volume while maintaining quiet operation. Built with galvanized steel and a concave center disc, it employs Preslok