York S1 025 33361 000 Module Protector 320788 704 The Schneider Electric (Barber Colman) The Schneider Electric (Barber Colman) AM 703 Span Adjustment Module is a precision input rescaling module designed for field technicians and system integrators who need to bridge the gap between non standard control signals and standard 2 to 10 Vdc HVAC actuators Common Technician Questions: What is the maximum distance for the probe wiring Can I test this module in the field Professional contractors rely on this OEM York replacement part to minimize downtime and avoid high cost motor burnouts in commercial and residential 2 Series central air conditioners