Speakman Co.’s SentinelPro T/P shower valve is a dual-element thermostatic and pressure-balanced valve certified to meet ASSE 1016 at 1.5 gpm. The dual-element design allows the valve to protect against both scalding and thermal shock at flow rates as low as 1.5 gpm. The valves have the ability to retrofit any existing Speakman Mark II pressure-balanced valve body with integral check stops. 

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