20-48 degree C temperature range with 38 degree safety button Built-in thermal component spool, using precision copper, efficient growth. Accuracy of spool control, good stability and durability. Please check dimensions before purchase, but usually if your valve is removed with a small grub screw or a bolt, this should fit This valve is used in built-in thermostatic mixers and also bar type. The thermostat should be replaced if the water temperature does not stay the same. even or continues to change from hot to cold