Technical Support

Every month our customer service department will post one new question that has come up during the month that they believe will may help you troubleshoot an existing product or provide insight on a new product available.

Q: Are thermostatic master mixing valves designed to handle big differences in inlet pressures?
A: No. In general, the optimal condition is for inlet hot and cold pressures at the mixing valve to be equal. In some applications, such as when a water softener is used on the hot water side only, you can notice significant differences in pressure due to the pressure drop going through the softener. In these applications, you often see PRV’s installed to balance the inlet pressures.

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