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542-C 3 in 1 Line Piercing Valve fits 3/8”, 1/2” and 5/8” O.D. tubing
To pierce tube, thread down the combination l/4” flare port, stem and needle using knob furnished or a suitable wrench, back off stem and connect depressor-type hose for testing or charging. After service is completed valve is closed and left on line for future service. Dust cap provided.
Three-point sealing ((1) needle-type valve, (2) gasket and (3) check valve) prevents
leakage. Neoprene seal withstands temperatures near 300°F.
Buy with 100% confidence knowing your purchase is backed by the full Manufacturer's Warranty.