Mueller Industries B34239 Four-Bolt Check Valve, 2-1/8"

The Mueller Industries B34239 Four-Bolt Check Valve is a strong part that is used to provide the check and non-return facility in HVAC systems. Measuring 2-1/8” for solder connection, it can handle pressure of up to 700 PSI, making it ideal for high pressure HVAC applications where the direction of the fluid needs to be controlled. This check valve then optimizes system functioning and safeguards equipment by allowing only unidirectional flow of fluid. It is common in HVAC systems to prevent refrigeration line backflow and ensure the compressor, the condenser and other equipment function well.