York S1-022-22498-000 Check Valve 340155-7026 Measuring the resistance across the

Measuring the resistance across the device when cool will reveal if the internal thermistor has cracked or failed open

and temperatures exceeding standard BUNA-N limits

This model is factory-charged with 160PZ polyolester (POE) oil

Safety Integration: Features an internal physical interrupter to disconnect the capacitor at the end of its service life

York S1-022-22498-000 Check Valve 340155-7026 Measuring the resistance across theThe York S1 022 22498 000 Check Valve is a critical directional control component designed for high pressure refrigerant piping systems. Featuring a 3 8 inch ODF connection, this valve prevents backflow into the compressor or condenser, maintaining system pressure differentials during off cycles. Since this is an OEM York replacement part, the internal spring tension and seat materials are specifically calibrated for Johnson Controls and York HVAC