The product is used in solar water heaters,electric water heaters, boilers and other ... -02,PT-1/2-02.4)operating temperature:60°C,65°C,70°C,75°C,80°C,85°C,90 ... .3Mpa-1.4Mpa. Temperature And Pressure Relief Valve ,TP valve,used in solar water heater system GB/T 20910-2007