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This 3/4 in lead-free calibrated pressure relief valve is designed for use as protection against excessive pressure build-up in systems containing water, oil and air. It has a lead-free brass body, 3/4 in NPT male inlet and 1/2 in NPT female (drain) outlet. This valve has an adjustable pressure of 100 to 300 psi and maximum working temperature of 180 deg F.
WATTS® LF530C Series 0121626 Calibrated Pressure Relief Valve, 3/4 in Nominal, MPT x FPT, 300 psi, 180 deg F