Carrier EC31EZ120 Check Valve 321702-401 Key Benefits for HVACR Contractors

Key Benefits for HVACR Contractors Hermetic Sealing: Triple-layered stainless steel diaphragms prevent refrigerant loss and atmospheric contamination

Can I remove the sensor while the system is pressurized

Reliable Spark Logic: Provides consistent intermittent pilot ignition

Thermally Protected: Features internal thermal overload protection to prevent winding burnout during high-ambient operating conditions

This part is a confirmed fit for several series

Carrier EC31EZ120 Check Valve 321702-401 Key Benefits for HVACR ContractorsThe Carrier EC31EZ120 Check Valve is a genuine OEM replacement part specifically engineered for industrial refrigeration and high performance HVAC systems. Designed with a precise spring loaded mechanism, this valve ensures reliable unidirectional flow and prevents damaging backflow in critical liquid or suction line applications. As an HVAC check valve built to exact factory specifications, it provides a seamless drop in replacement for Carrier