The Hatco HT03.02.022.00 Pressure/Temperature Relief Valve helps protect compatible equipment by relieving excess pressure or responding to specified temperature conditions within the system. It features a 3/4-inch NPT connection for installation in compatible assemblies. During operation, the valve’s internal mechanism responds when the system reaches its designated pressure or tempe... https://partsfe.ca/ht030202200-hatco-presstemp-relief-vlv