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The 2-groove (2Grv) marking is a technical identifier used by HVAC contractors to confirm flow characteristics and compatibility without needing to gauge the orifice manually
Common Questions Is this kit compatible with 2-stage furnaces
If your application requires monitoring both positive and negative pressure relative to a reference point
in/rev and delivers a nominal capacity of 140
Trane SEN2501 Pressure Sensor 326010-701 The 2-groove (2Grv) marking isThe Trane SEN2501 is a critical OEM wind pressure sensor designed for high precision monitoring of differential air pressure within Trane air handlers and furnaces. As a direct cross reference for part NS2 1176 02, this component ensures your system maintains the exact airflow parameters required for efficient combustion and heat exchange. In the field, technicians rely on the SEN2501 pressure switch to provide real time feedback to the control board,
