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5121 Mixing Valve

5121 Mixing Valve
Compact Thermostatic Mixing Valve

The 5121 Mixing Valve is a compact, lead-free domestic water thermostatic valve designed to deliver stable, mixed water temperatures for faucets or any point-of-use installation wherever an ASSE 1070 safety valve is required. The 3/8-inch 5121 Mixing Valve is an addition to the existing 5120 Series mixing valve product line, which also includes 1/2, 3/4 and 1-inch sizes.

Instruction Sheet
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Performance Data

Max. Flow: 5.8 GPM*
Min. Flow: 0.34 GPM*
Hot Supply Temp.: 120-180˚F (49-82˚C)
Cold Supply Temp.: 39-85°F (4-29°C)
Max. Inlet Pressure: 230 PSI
Max. Variation in Supply Pressure: 20%
Min. Temp. Differential Between Hot Supply and Mixed: 10°F (5.6˚C)
Outlet Temp. Range: 95-118˚F (35-47.8˚C)
Factory set to: 110˚F (43.3˚C)
Accuracy of Outlet Temp.: ± 3˚ F (2˚ C)
Connection Sizes: ½”, ¾,  and 1″

*NOTE: Flow should never exceed standards for pipe size

  • < .25% lead
  • ASSE 1070 Listed
  • Compact Design
  • Mounting Bracket Connects to 3/8” Flexible Hose or Compression 3/8” OD Tube
  • Check Valves Included
  • Inlet Strainers Included
  • Tamper Resistant Cap
  • Potable Water
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