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 Product Description

The WODA Constant Pressure Pump System is easy to operate with an intuitive user interface and includes everything except the pipe to plumb it. This powerful pump system delivers great flow and pressure while using very little energy. It is a well designed, complete constant pressure pump system that takes all the guess work out of installation. With an extensive list of features, the Woda pump system delivers great performance. The comprehensive set of system components means you get the pump system installed the first time without all those pesky trips to the local supply store!


  • Constant pressure performance with variable speed pump controller

  • Dry run protection built into the pump for increased reliability

  • Integrated 300 micron Floating Intake Pre-Pump Filter

  • Durable pump chamber allows connection to the floating intake filter and maximizes cooling of pump motor even at low flows

  • Lifting lug on pump chamber for easy lowering of pump assembly into water tanks

  • All water contact components of pump system are made of NSF-61 or FDA approved for potable water contact materials

  • Integrated high pressure relief valve assembly for peace of mind

  • Systems available rated for 10 gpm (gallons per minute), 15 gpm, 22 gpm, at about 60 psi

  • Higher discharge pressures available
  • All system components for each system are sized to pump flow

  • Pump discharge hose is stainless steel with cam lever fittings for ease of installation

  • All metal to plastic transitions are accomplished with hard to find, stainless steel, special reinforced PVC fittings

Pump System Includes:

  • 300 Micron Floating Intake Filter with 10’ hose

  • Pump chamber constructed of Sch40 PVC, Stainless Steel and Poly

  • Grundfos Submersible SQE pump and motor

  • Water proof wire splice kit

  • Submersion rated wire and conduit for connection of pump to controller

  • Liquid tight connectors for wire entry to/exit from controller

  • Emergency pressure relief valve assembly

  • Flexible stainless steel pump discharge hose with cam lever fitting connections

  • Pump discharge liquid filled pressure gauge

  • Constant pressure controller and pressure transducer

  • 2 gallon pressure tank

  • Stainless steel flex hose for pressure tank

  • 1.25" final isolation valve and valve box
  • All PVC fittings necessary to plumb pressure tank, pressure gauge, and pressure transducer in pump discharge line

  • Roll of teflon tape for “threaded” pipe connections

  • Small can of PVC Primer and Solvent Cement for “glue in” pipe connections

  • All PVC fittings necessary to install according to pump system suggested layout

The Grundfos SQE Pump and Motor are the heart of WODA

The SQE is the only constant pressure pump on the market fully equipped with built-in electronic controls which allow for advanced computer controlled performance and state of the art protection features including sophisticated diagnostics. The motor design is a Variable Speed Drive which electronically changes the pump speed to match demand providing you with the incredible comfort of constant pressure.

Each unit is equipped with:

  • Soft start – prevents water hammer and motor overheating
  • Dry run protection – pumps are water lubricated and if your well runs low, an unprotected pump will die
  • Overload protection – if a pump becomes clogged with debris like sand or grass, it can destroy an unprotected motor
  • Over and undervoltage protection – the lifetimes of unprotected motors can be greatly reduced by improper voltages. Rural parts of the country are notorious for wide variations in voltage supply

The Grundfos CU301 Controller is the brain of the WODA

The CU301 User Interface is the easy to use command and control computer for operating the pump in constant pressure mode. The user simply chooses the desired water pressure by pressing the UP or DOWN arrows, and the CU301 does the rest.

In order to control pressure, it must be measured. The included pressure sensor precisely measures water pressure sending its signal to the CU301. The CU301 reads this pressure signal and then electronically commands the pump to start, stop, speed up, or slow down in order to maintain constant pressure regardless of water demand. It controls the pump via power line communications by impressing high speed data messages on the pumps power supply cable. This technology is similar to that used in a home intercom or a baby monitor.


  • Domestic water supply
  • Light commercial
  • Irrigation
  • Tank Applications

Features and benefits

  • Push button pressure setpoint adjustment
  • Low well water indicator
  • Pump running indicator
  • Keypad lockout
  • High quality stainless steel pressure sensor
  • Built-in diagnostics
  • 2 year manufacturer warranty

Available Size:

  • Flow rates: 10, 15, and 22 GPM
  • Head up to 450 feet @ 15 GPM
  • 115VAC and 230VAC models – all single phase

Woda Brochure
Product Guide
Pocket Guide
SQ Installation and Operating Instructions
CU301 Installation and Operating Instructions

More Details:

The WODA-SF is easy to operate with an intutuitive user interface and constant pressure, submersible pump system that includes everything except the pipe and fittings to plumb it. This powerful pump deliveres up to 15 GPM (gallons per minute) at 65 PSI at the discharge end of the pump. *Pump System will require a 230VAC/ Single Phase/ 20AMP dedicated circuit breaker and power supply


 Other Details

RHS, Inc.

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