American Standard T420.740.224 Portsmouth Thermostat Trim Kit, Oil Rubbed Bronze

About the American Standard T420.740.224 Portsmouth Thermostat Trim Kit, Oil Rubbed Bronze

American Standard T420.740.224 Portsmouth 2-Handle Thermostat Trim Kit, Oil Rubbed Bronze. This Thermostat Trim Kit comes with 2 metal handles, Brass Casting: Highest quality faucet material for durability & long life, Wax Thermostatic Unit: Permits shuttle valve to move between the hot and cold seat to maintain the pre-selected constant water temperature, Spring-Loaded Check Valves: When the hot and cold water enters the fitting, both supplies pass through the spring-loaded check valves to prevent cross flow of hot and cold water, Adjustable Hot Limit Safety Stop: Limits the amount of hot water allowed to mix with cold, Maximum water temperature limit may be reduced to 104 or 109 degrees Fahrenheit. For use with R520 and R540 series valves.