This 3/4 in. lead free temperature and pressure relief valve is designed to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr. This two-in-one relief valve provides a proven and cost effective means to protect against excessive temperature and pressure emergency conditions. It features a lead free copper alloy body with extended shank to accommodated up to 1 3/4 IN of insulation, NPT male inlet and NPT female outlet connections, a unique thermostat with special thermo-bonded coating, and test lever. The temperature relief is 210 DegF 99 Deg C and the pressure relief is set at 150 psi 10.3 BAR.Lead free copper alloy body constructionExtended shank for thick tank insulation up to 1 3/4 inches3/4 in. male NPT inlet with pre-applied thread sealantTemperature relief is 210 DegF 99 Deg CPressure relief range is 75 to 150 psiASME rated, CSA listedExtension thermostat with thermo-bonded coatingUsed to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hrANSI Z21.22 certifiedIncludes test lever and stainless steel spring. 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.