The NCLX Temperature and Pressure Relief Valve incorporate an inert thermal element coating that provides effective isolation from mineral deposits liming. It has male inlet and female outlet, brass and stainless steel internal parts, silicone seat disc and stainless steel spring. Test lever standard.Provides effective isolation from mineral deposits and galvanic corrosionCompletely automatic and reseats after temperature or pressure reliefEvery valve is tested for performance prior to shippingListed by CSA and ASMEFactory set at 150 psiMaximum temperature of 210 DegFMale inletFemale outletCast bronze bodyBrass and stainless steel internal parts. This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.