York Check Valves

Overview

The Source1 2211519000 is a magnetic disc check valve with a 1/2 inch connection size, designed for use in HVAC, plumbing, and hydronic systems where reliable one-directional flow control is required. Check valves are essential components in fluid and refrigerant systems, preventing backflow that can damage equipment, reduce efficiency, or cause system failures. The magnetic disc design sets this valve apart from standard spring-loaded or swing-style check valves by using magnetic force to seat the disc firmly when flow stops or reverses. This provides a positive, leak-resistant shutoff that holds up well under repeated cycling and varying pressure conditions. The 1/2 inch size makes it compatible with a wide range of residential and light commercial applications, including condensate lines, chilled water circuits, domestic hot water systems, and refrigerant piping. HVAC technicians and plumbers rely on check valves like this one to protect compressors, pumps, and heat exchangers from reverse flow damage. The magnetic disc mechanism reduces wear compared to mechanical spring designs, contributing to a longer service life and consistent performance over time. This valve is a direct-replacement solution for service and repair work, as well as a solid choice for new installations where backflow prevention is specified. Compact and straightforward to install, the Source1 2211519000 fits into tight equipment spaces and is compatible with standard 1/2 inch pipe and tubing…