Wall Mount High TDS Series
Wall-Mount Reverse Osmosis System for High TDS Applications
Designed to produce low dissolved solids water from high TDS tap or well water, these wall-mountable RO systems use high-efficiency reverse osmosis membranes.
The RO product water is used in a wide range of applications such as spot-free rinse, water stores, whole house systems, labs, ice makers, humidification, misting, and more.
Ordering Details for WMH Series Wall Mount High TDS RO Systems
| RO System Model No. | RO System Capacity |
RO Membrane Elements |
Inlet/Outlet LineSizes (NPT, Inches) | RO System Dimensions (in/cm) |
Approx. Shipping Weight (Lb/Kg) |
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| GPD | m³/day | Qty. | Size (Dia.×L) |
Inlet | Permeate | Concentrate | Length | Depth | Height | ||
| WMH-14A-116 | 2000 | 8 | 1 | 4 × 40 | ½ | ⅜ | ¼ | 34/86 | 12/30 | 52/132 | 152/69 |
| WMH-24A-116 | 4000 | 15 | 2 | 4 × 40 | ½ | ⅜ | ¼ | 34/86 | 12/30 | 52/132 | 175/79 |
Notes and Voltage/ Ordering Information
- All dimensions and weights are approximate.
- Capacity Basis: 24 hrs/day
- Systems rated at: 77°F (25°C) using 5000 ppm sodium chloride solution operating at approx. 200-250 psi pressure.
- Minimum feed pressure to RO System:40-60 PSI. System capacity changes significantly with water temperature
- Chlorine must be removed with a carbon filter prior to the RO system, if present in the feed water.
- Pretreatment for water hardness using a softener or antiscalant injection should be added to avoid scaling the membranes.
- Feed water turbidity: Less than 1 NTU; Feed water silt density index (SDI): 3 maximum. If exceeded, pretreatment with media filter recommended. All pretreatment equipment and SDI test kits are available from Applied Membranes.
Voltage Codes: Above models indicate recommended voltage codes per model.
Available voltages:
• 116 = 120V/1ph/60hz • 215 = 220V/1ph/50hz.
• 216 = 220 or 230V/ 1ph/ 60hz • Three phase not available.
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Standard Equipment |
Controller for Automatic Operation |
Controller Features:
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Monitors and/or Controls:
Indicator Lights:
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UL508A Labeled I-ROC250 | PLC for WM Series
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Optional Add-On Parts and Equipment for Wall Mount RO Systems
AMI’s WM Series Wall Mount RO Systems are available with a wide variety of optional add-on accessories. All assemblies include hardware and mounting equipment for easy upgrade to your new or existing system installation.
Wall Mount Filter Cartridges
Includes mounting bracket and Isolation Valves to close the line when changing the filter cartridge.
Part # A711
Filter cartridge must be ordered separately – common options are shown below. Any 20″ Big Blue size cartridge can be installed. Click here to view our complete filter cartridge product selection.
Pretreatment Options Available:
- Sediment Filters in a variety of micron ratings –
- Scale Inhibitor Cartridges: H-F4220-NS
- Block Carbon Filter Cartridges Block Carbon filter cartridges produce no carbon fines.
- KX Brand: 32-425-125-20. Click for Product Details
Post-treatment Options Available:
- Calcite Filter Cartridge to neutralize the pH of the RO permeate water – Filter Model H-F4220CALCITE Click for Product Details
- DI Filter Cartridge with Mixed-Bed Deionization Resin for ultrapure applications – Filter Model: H-F4220DI Click for Product Details
Softeners & Media Filtration Pre/Post Treatment
AMI Media filters feature fully automatic backwash or regeneration for easy, trouble free maintenance. Ensure superior system operation and extended membrane life by providing proper pretreatment to the incoming feed water on a continuous basis. Common pretreatment or post-treatment methods include:
- Single or Twin Water Softener to remove hardness and scale.
- Multi-Media Filter for sediment filtration to approximately 10 microns.
- Carbon Filter to remove chlorine.
- Calcite Filter to neutralize the pH of the RO product water.
Click Here to visit the Media Filtration section of our site for detailed information on the full line of media filtration products we carry.
Mounting Bracket (recommended)
Screw the mounting bracket to the wall first to simplify the mounting of the RO unit. Includes powder coated mounting plate with screws.
- Part # A616 – for 27″L Units
- Part # A615 – for 34″L Units
Water Quality Monitors
Pre-packaged wall-mountable water quality monitoring controls allow you to monitor the quality of the incoming feed or RO product water. Assembly includes the monitor, enclosure and sensor.
Available Options for Monitoring Incoming Feed Water Quality:
- ORP – 60Hz Part # A246, 50Hz Part # A247
- pH – 60Hz Part # A244, 50Hz Part # A245
Available Options for Monitoring RO Product Water Quality:
- Total Dissolved Solids (TDS) – 60Hz Part # A242, 50Hz Part # A243
- Resistivity – 60Hz Part # A248, 50Hz Part # A249
- pH – 60Hz Part # A244, 50Hz Part # A245
Floor Stand
Use this free-standing carbon steel powder coated frame to convert the WM unit to a floor unit.
Part # A626
Optional: Floor Stand Casters Kit
2 Locking & 2 Swivel for ease of mobility.
Part # A625
Ultraviolet (UV) Systems
Add an ultraviolet water sterilizer for a 99.9% reduction of bacteria and viruses in the feed and/or permeate line.
Note: For feed line, wall-mount filter cartridge assembly shown above is required.
Tank Pressure Controls
To automatically turn the RO system on or off with the permeate storage tank level. For use with a pressurized storage tank (sold separately).
- 220v/60Hz – Part # A621
Pressurized Storage Tank
Pressurized permeate storage tank available in 40 or 80 gallon volume. Assembly includes tank, valve, piping, tubing, and pressure gauge.
- 40 Gallon Tank Assembly – Part # A612-40
- 80 Gallon Tank Assembly – Part # A612-80
Tank Level Controls
Turns system on or off according to the water level in an atmospheric storage tank.
- Dual float assembly provides system on/off controls.
Part # YFL2PPAS - Triple float assembly provides system on/off as well as low level protection on/off for a repressurization pump.
Part # YFL3PPAS
Atmospheric storage tank and repressurization pump are sold separately.
Prefilter Pressure Gauge
To allow for monitoring of the in and out pressure of the prefilter in order to indicate when the cartridge needs to be changed. Assembly includes pressure gauge and fittings.
- Part # A623
Flowmeters
Monitor system flows. Includes mounting bracket and fittings for connection of system tubing.
- 1-10 GPM Part # A107
- 0.5-5 GPM Part # A109
To allow for monitoring of the in and out pressure of the prefilter in order to indicate when the cartridge needs to be changed. Assembly includes pressure gauge and fittings.
Replacement Parts & Consumables for WMH Series Reverse Osmosis Systems
- Replacement Reverse Osmosis Membranes for Wall Mount RO Systems
- Replacement Membrane Pressure Vessels for Wall Mount RO Systems
- Replacement Sediment Filters for Wall Mount RO Systems
- Replacement Carbon Filters for Wall Mount RO Systems
- Replacement Filter Housings for Wall Mount RO Systems
- Replacement Components for Wall Mount RO Systems
- Membrane Cleaning Cartridges for Wall Mount RO Systems