Mixing Valve Temperature Calculator

Calculate mixed water temperature and flow rates for thermostatic mixing valves.

Supply hot water temperature.
°F
Supply cold water temperature.
°F
Target outlet temperature.
°F
Total mixed water flow needed.
GPM

Results

Hot Water Flow-GPM
Cold Water Flow-GPM
Hot:Cold Ratio-
References: Based on thermostatic mixing valve design per ASSE 1017 and heat balance equations