The York S1-026-49686-000 EEV Non-Powered Tool is a specialized service tool designed to manually operate electronic expansion valves (EEVs) in compatible York HVAC systems. It allows technicians to open the valve without electrical power, particularly during installation or refrigerant piping work when the control board cannot be energized. Suitable for compatible York air handlers a... https://www.partshnc.com/s1-026-49686-000-york-tool-eev-non-powered