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H2O Pitless Units

At The Well Pump Control

Merrill H2O Pitless Unit Features and Benefits
  • Easy, low-cost solution
  • Everything fits inside a 12" casing
  • Provides easy installation of pressure switch inside the H2O Unit
  • The pressure switch can be installed below the tank and is still easily removed with the tank when needed
  • The purchase of the additional pressure switch control package adds a cycle stop valve and pressure switch to complete full installation of pump control.
  • Optional Bracket for Mounting Pressure Switch
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Feature and Benefit Information

  • Connects to 4" - 5" - 6" or 8" Steel or PVC Well Casing.
    Easy attachment to the casing - sizes you need.
  • Constant Pressure Controls Can be Mounted at the Well.
    One universal plate holds VFD drive of all USA pump Co., and VFD drive is now protected inside top of the well, out of the weather.
  • 12" Pipe in Galvanized Steel or PVC at Top of Well Contains Everything.
    All needed connections for controls are designed to fit inside a 12" casing - compact installation.
  • Expansion Tank Included Inside H2O Pitless Control Units.
    Small tank recommended for VFD drive installations is included with the H2O pitless control unit.
  • Internal Manifold of Unit Has Pull Strap for Easy Removal to Service Well.
    No special pulling tool needed for service work - pulling strap built in.
  • Internal Manifold of Unit Has Tappings for Expansion Tank, Pressure Transducer, Pressure Relief Valve, and Pressure Gauge.
    Minimum work required to complete the installation - all needed tappings included.
  • No Lead Brass Waterways, Pitless Adapter, and Internal Manifold.
    In compliance with safe water drinking act for residential drinking water supply.
  • Universal Aluminum VFD Mounting Plate Attached to Top Lid of Watertight Cap.
    VFD drive easily mounted for at the well control and out of the weather.
  • Approved by Wisconsin DNR and Several Other States (Code Approved).
    Most all states that require a product to be code approved have approved the H2O pitless control unit.

Merrill H2O Pressure Switch Control Package

  • No Lead Brass Bushing
  • No Lead Brass Fittings
  • Reinforced Tubing and Stainless Steel Clamps (Part No. H2TAC)
  • Pressure Switch Bracket (Part No. H2PSB)
  • Cycle Stop Valve (Part No. H2CSV)

The H2O Pressure Switch Control is recommended to be used with Merrill XHD Pressure Switch or Merrill CSHD Control Switch that eliminates the control box.

MPSXHD Switches - Are rated up to 5HP

MCSHD Control Switches - Are rated up to 5HP