[§46-19.7]  Individual shower control valves required.  Every county building code shall require that all showers in new dwelling units shall be equipped with individual shower control valves of the pressure balance or the thermostatic mixing valve type unless the temperature of the water serving the showers is limited to 110 degrees Fahrenheit.  The requirements of this section shall be applicable to building permits issued after December 31, 1992. [L 1991, c 305, §2]