Ideal for professional plumbers, HVAC technicians, and homeowners seeking fluid control solution in residential / commercial water supply systems and industrial applications The threaded connection systems ensures leak proof installation without special tool, combining brass construction with precisions engineered components for seamless integration into existing pipelines This brass check fitting standards for thermal stability ( 20°F to 250°F) and resistance, offering not need maintenance operations across years of demanding service Crafted from premium resistant brass, this heavy duty 1 / 2inch vertical check fitting features a reinforced body design that withstands high pressure environments up to 600PSI while backflow in plumbing systems Perfectly functions in water heaters, irrigation setups, processing lines, and central heating installations where consistent unidirectional flows and pressure management are critical, Manufacturer: APGLSXY