Does this unit require calibration upon installation

By restoring proper communication between the thermostat and the blower assembly

though you must verify the specific expansion valve (TXV/piston) compatibility for your application

whereas the T675A series typically provides single-stage control

Can I use this kit for spring return actuators

York S1-025-47924-000 Expansion Valve 326010-701 Does this unit require calibrationThe York S1 025 47924 000 Expansion Valve is a critical metered flow component designed specifically for R410A systems. This Thermostatic Expansion Valve (TXV) utilizes 3 8" ODM (Outside Diameter Male) inlet and 3 8" ODF (Outside Diameter Female) outlet connections to ensure a high integrity, leak free fit within the refrigerant circuit. By dynamically adjusting the refrigerant flow into the evaporator coil based on thermal load, the S1 025 47924 000