York S1-029-20423-030 Orifice 321894-708 Precision Signal Calibration: Integrated adjustable

Precision Signal Calibration: Integrated adjustable zero and span potentiometers allow for precise sequencing and fine-tuning of the actuator's response to the controller

ensuring seamless backward compatibility for older multi-stage HVAC systems

Common Questions What is the frame size and mounting pattern for this motor

or compressors

York S1-029-20423-030 Orifice 321894-708 Precision Signal Calibration: Integrated adjustableThe York S1 029 20423 030 Natural Gas Burner Orifice is a precision machined OEM York replacement part designed for specific BTU output requirements in commercial and residential furnaces. Featuring a #30 drill size with a 0. 1285 inch diameter, this orifice is critical for maintaining the correct manifold pressure and stoichiometric air fuel ratio. Field technicians should verify this component against the furnace rating plate to ensure proper