Guardian Equipment G6040 Thermostatic Mixing Valve - 50 Gallon

Guardian Equipment
1 in. NPT female
1 1/4 in. NPT female
50 Gallon
15.00 LBS
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Guardian Equipment G6040 Thermostatic Mixing Valve - 50 Gallon

The Guardian Equipment G6040 is a high-capacity thermostatic mixing valve designed to accurately blend hot and cold water to deliver tepid water. Ideal for emergency showers or combination safety stations, this valve can handle a flow capacity of 50 gallons (189 liters) per minute at 30 PSI (2.1 bar) pressure drop. Its flexible mounting options and precise temperature control make it a versatile choice for a variety of industrial settings.


  • Adaptable Mounting: Options for inlet and outlet placement, complete with a stainless steel bracket.
  • Automated Temperature Control: Factory-set at 85°F, with adjustable and lockable settings.
  • Cold Water Bypass: Ensures cold water flow if hot water is unavailable.
  • Safety Shutoff: PTFE valve seat prevents scalding by stopping hot water when cold water is cut off.
  • Certified Quality: Complies with ANSI/ASSE 1071 standards and U.S. lead-free regulations.


  • Capacity: 50 Gallon (189 Liter)
  • Inlet: 1 in. NPT Female
  • Outlet: 1 1/4 in. NPT Female
  • Supply Pressure: Max 125 PSI (8.6 bar)
  • Hot Water Supply Temperature: 120° - 180°F (49° - 82°C)
  • Cold Water Supply Temperature: 40° - 70°F (4° - 21°C)
  • Tepid Water Temperature Range: 65° - 95°F (18° - 35°C)


Product Literature (PDF Download)