Temperature swings in your water system? An oversized mixing valve might be to blame. The fix is simple: size the valve correctly for the system’s actual flow rates.
The mistake often starts with sizing valves to match pipe diameters, assuming a larger valve will handle all situations. However, oversized valves struggle at low flow rates, where they don’t generate enough turbulence to mix hot and cold water effectively. This lack of mixing leads to temperature hunting, where the water alternates between too hot and too cold, frustrating everyone involved.
The solution? Start with accurate demand calculations. Tools like the IAPMO Water Demand Calculator provide realistic flow rate estimates, helping you choose the right valve for consistent performance. Manufacturers also offer flow capacity charts that make proper selection easier.