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    • Gas Burners
      • Air Heating Burners
        • Line Style
        • Point Style
        • Low Emission
        • Indirect Air Heating
      • Furnace Burners
        • Point Style
        • Low Emission
      • Tube Firing Burners
      • Large Capacity Burners
      • Miscellaneous Burners
    • Combustion Equipment
      • Actuators
        • Control Valve Actuators
        • Gas Valve Actuators
      • Air and Gas Control Valves
        • Butterfly Valves
        • Miscellaneous Valves
        • Synchro Valves
        • Valve Actuator Assemblies
          • VA Assembly SQM40 with VKG Valve
          • VA Assembly SQM50 with VKG Valve
          • VA Assembly SQM50 with VKF1x Valve
          • VA Assembly SQM40 with VKF1x Valve
      • Gas Safety Shutoff Valves
        • Electro Mechanical
        • Electro Pneumatic
        • Gas Valve Bodies
        • Solenoid
          • Single Solenoid Valves
          • Double Solenoid Valves
      • Pressure Switches
        • Air Pressure Switches
        • Gas Pressure Switches
      • Air Blowers
      • Gas Boosters
      • Accessories
        • Air/Fuel Mixers
        • Gas Filters and Strainers
        • Ignition Components and Flame Rods
        • Peepsights
        • Pressure Gauges
        • Valve Proving Systems
    • Instrumentation
      • Flame Safety
      • Recorders
      • Temperature Controllers
      • Thermocouples/RTDs
    • Gas Regulators
      • Direct Acting Regulators
      • Large Capacity Regulators
      • Lever Action Regulators
      • Pilot Operated Regulators
      • Relief/Back Pressure Regulators
      • Zero Governor/Proportionators
    • Meters
    • Heat Exchangers
    • Propane/LPG Equipment
      • Mixers
      • Packaged Systems
      • Vaporizers
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    • Standard Control Panels
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Categories

  • Gas Burners
    • Air Heating Burners
      • Line Style
      • Point Style
      • Low Emission
      • Indirect Air Heating
    • Furnace Burners
      • Point Style
      • Low Emission
    • Tube Firing Burners
    • Large Capacity Burners
    • Miscellaneous Burners
  • Combustion Equipment
    • Actuators
      • Control Valve Actuators
      • Gas Valve Actuators
    • Air and Gas Control Valves
      • Butterfly Valves
      • Miscellaneous Valves
      • Synchro Valves
      • Valve Actuator Assemblies
        • VA Assembly SQM40 with VKG Valve
        • VA Assembly SQM50 with VKG Valve
        • VA Assembly SQM50 with VKF1x Valve
        • VA Assembly SQM40 with VKF1x Valve
    • Gas Safety Shutoff Valves
      • Electro Mechanical
      • Electro Pneumatic
      • Gas Valve Bodies
      • Solenoid
        • Single Solenoid Valves
        • Double Solenoid Valves
    • Pressure Switches
      • Air Pressure Switches
      • Gas Pressure Switches
    • Air Blowers
    • Gas Boosters
    • Accessories
      • Air/Fuel Mixers
      • Gas Filters and Strainers
      • Ignition Components and Flame Rods
      • Peepsights
      • Pressure Gauges
      • Valve Proving Systems
  • Instrumentation
    • Flame Safety
    • Recorders
    • Temperature Controllers
    • Thermocouples/RTDs
  • Gas Regulators
    • Direct Acting Regulators
    • Large Capacity Regulators
    • Lever Action Regulators
    • Pilot Operated Regulators
    • Relief/Back Pressure Regulators
    • Zero Governor/Proportionators
  • Meters
  • Heat Exchangers
  • Propane/LPG Equipment
    • Mixers
    • Packaged Systems
    • Vaporizers
  • Standard Gas Valve Trains
  • Standard Control Panels
  • Electric Heating
    • Furnace Products
    • Heating Systems
  • Fluid Heaters
  • Boilers
Marshall W. Nelson & Associates
Corporate

Marshall W. Nelson & Associates


4300 North Port Washington Road
Milwaukee, Wisconsin 53212
414-332-6000
414-332-2400 fax4155 Old Sibley Memorial Highway
Eagan, MN 55122
651-890-0720
651-890-7009 fax
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