3 red flashes typically indicate a pressure switch that failed to close

Always install the sensor on insulated conductors to ensure safe operation and compliance with local electrical codes

OEM Compatibility: Specifically engineered as a genuine replacement for York S1-024-19082-018

The McDonnell & Miller 354141

The ICM Controls ICM-UFPT-5 Universal Function Programmable Timer is a versatile solid-state timing control designed for HVAC

Nordyne 664344R Check Valve 326070-701 3 red flashes typically indicateThe Nordyne 664344R is a high performance R410A 3 Ton TXV Check Valve designed for precise refrigerant metering in residential and light commercial HVAC systems. This OEM Nordyne replacement part acts as a critical thermal expansion device, sensing evaporator temperature and pressure to regulate flow and maintain the ideal superheat. Engineered for 3 ton capacity units, the 664344R check valve ensures consistent cooling performance and prevents