HRS §46-19.7
Shower safety valves required in new homes
County building codes must require all showers in new homes to have individual control valves that prevent sudden temperature changes, unless the water is already limited to 110 degrees. This rule applies to building permits issued after December 31, 1992.
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The statute, as written — 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.
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