Nordyne 669684R 4-Ton Thermal Expansion Valve R-410A

The Nordyne 669684R Thermal Expansion valve is an essential part of any HVAC system because it controls the flow of refrigerant passing through them. When it comes to cooling efficiency, it controls how much coolant is entering evaporator coil accurately. It uses R-410A refrigerant that is for environment and has a great cooling capability. It is commonly used in both domestic and commercial applications such as air conditioners, heat pumps to enhance system operation and increase energy efficiency. Keeping an optimal refrigerant flow helps to avert excessive heat, suboptimal cooling and any other issues that could compromise reliability and comfort.