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Watts® Thermostatic Mixing Valve 3/4 " 80-120 Degrees
Part 640323
Brand Watts
Free Shipping
in lower 48 states
Usually ships Next Day
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About this item

  • Watts® Thermostatic Mixing Valve
  • Maintains And Limits Mixed Hot Water To A Desired Selectable Temperature
  • Ideal For Point-Of-Use Sinks, Baths, Showers Or Lavatories
  • 0.75" Sweat Connection
  • Temperature Range 80°-120°F
  • 0.5 To 20 GPM Flow Rate - 150 PSI Maximum Pressure - ASSE 1017, 1069 And 1070 Listed
  • Mfg #MMV-US
California residents: Prop 65 Warnings


This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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