Zurn 1/2 in. MNPT x 1/2 in. FNPT Calibrated Pressure Relief Valve

The 1/2 in. P1500XL Calibrated Pressure Relief Valve protects against excessive pressure buildup on cold water service lines. The P1500XL is for pressure only, and is utilized in conjunction with other temperature-limiting devices. Features include field adjustable settings from 25 to 175 psi with calibration marks etched on the stem, and a cast bronze valve body with stainless steel internals and springs. Suitable for static relief, low capacity pump relief, passive solar, and thermal expansion relief applications, it can also be used in similar capacities for both commercial and industrial applications.|Male NPT inlet and female NPT outlet provide easy installation|Protection against excessive pressure buildup on cold water service lines|Suitable for static releive, low capacity pump relief, passive solar, expansion relief and a variety of commercial and industrial applications ensures you get the most for your money|Field adjustable psi settings of 25 psi to 175 psi add versatility and decrease maintenance time|Cast bronze main valve body and stainless steel internals/springs protect against corrosion|Certified to NSF/ANSI 372 by IAPMO R and T|Lead free|Easy to install|Trusted name|1 point of contact for service