Fortitude Support Hub

The water softening system must not be installed at an area where it is exposed to direct sunlight and must be protected against freezing and extreme heat.

• Maximum: 100ºF (37.8ºC)
• Minimum: 35º-40ºF (0ºC)

The maximum allowable inlet water pressure is 125 psi. If daytime pressure is over 80 psi, night time pressure may exceed the maximum allowed water pressure. Use a pressure reducing valve (PRV) to reduce the pressure if needed.

• Maximum: 125 PSI (8.78 kg/cm²)
• Minimum: 25 PSI (1.75 kg/cm²)

Our water softeners can use a wide range of different salts. With that being said, while it can use various salts we recommend the use of pellet style salt as it tends to dissolve more evenly and is less likely to salt-bridge.

Yes. Our system is compatible with potassium.

32,000 Grain - 10 lbs salt
48,000 Grain - 15 lbs salt
64,000 Grain - 18 to 24 lbs of salt

(We recommend going one size up for our systems if your hardness exceed 20 gpg)
32,000 Grain - perfect for the household size of 1-2 bathrooms and up to 3 people
48,000 Grain - perfect for the household size of 2-4 bathrooms and up to 5 people
64,000 Grain - perfect for the household size of 4-6 bathrooms and up to 7 people

The size of the drain line is ½” and is 12 feet long.
The brine line is ¾” and it is 6 feet long.

32,000 Grain - 9 GPM
48,000 Grain - 15 GPM
64,000 Grain - 20 GPM

The only difference between the two systems is the level of iron filtering/reduction. The standard model(s) like the AS-HS48D have up to 2PPM (parts per million) of iron reduction. Systems like the AS-HS48FM have up to 10PPM of iron reduction. This is the same for the 32,000 grain and 64,000 grain models along with their fine mesh counterparts.

All of our water softening systems are for residential use only.

• The system employs the counter flow method during regeneration. When in normal service, the system is a downflow system that pushes water down into the resin. When it is regenerating, the flow reverses and becomes an upflow system.
• Both water softener and the Fortitude Pro series are considered downflow systems and water softener becomes upflow only when it is regenerating.

32,000 Grain - AS-FP600
48,000 Grain - AS-FP1000
64,000 Grain - AS-FP1500

We do not suggest having the drain line reach above the system, but if it must, then we recommended that the drain line/hose can go up no more than 7 feet above the system.

The length is just about 7 foot.

Unfortunately, the system does not come with additional PVC or flex piping since we as a company would not know if your preference is for copper piping, pvc, flex piping, etc. As such that aspect of the install is left up to the homeowner and additional piping it readily available at your local hardware store.

By default each water softener order comes with a 1” NPT yoke to connect to the inlet/outlet of your home. If your inlet/outlet measures to be ¾” then you can select the option under the NPT before checkout and select ¾” NPT. This will ensure that your order ships out with a ¾” NPT. If no change is made or the NPT is not selected then it will ship with the default 1” NPT.

• System Dimensions: 15”w x 5.25”d x 15”h
• System Weight: 8 lbs (3.6kg)
• Tank Dimensions (with Valve): 11.3”d x 16.75”h
• Tank Capacity: 1.9 - 3.2 gal. (7.2 - 12.1L)
• Tank Weight: 6.6 lbs (Empty) / 40 lbs (Full - Varies by water pressure)

An outdoor install is unfortunately not recommended as it voids the warranty. Due to the electrical control valve head we would not be able to guarantee the best performance if the system is exposed to the elements. When exposed to the elements there is also the chance for rust to occur which can be a slow killer for the system.

In rare instances certain homes are plumed to have the inlet/outlet meet the water softener outside. If this is the case then we highly recommend building a small shed or enclosure around the system to keep it safe from the elements.

All of our filters are considered to be pre-filters. Meaning that the filter should be the first thing the water passes through followed by the water softener being the last thing water passes through before moving into your home.
If you have a media tank the order should be pre-filter > media tank > and then the resin tank being the last in line.

First you must know your water hardness. This can be measured accurately with a chemical based test like the Hach Total Hardness Kit Test or by using water test strips.
Once you have the number of hardness in either grains per gallon (GPG) or parts per million (PPM) you can then refer to the formula on page 20 of the Harmony Series Owners Manual to figure out the most efficient number of gallons to set the system to. Equally, you can also make use of the Total Gallons Calculation Tool – Aquasure USA which can easily tell you what number of gallons to set on the system.
However, if you do require a plumber we suggest requesting multiple quotes, looking at reviews, and asking your local plumber if they have heard of Aquasure. If they can provide a good answer and price quote then they should be more than capable of doing the installation.

You can easily use reducer fittings to bring a 1” NPT down to a ¾” connection so you can connect to your inlet/outlet. If you are having trouble with fittings or would like an exact fit for your ¾” inlet then reach out to us at support@aquasureusa.com with your order number (if your purchase is from a different retailer then please include the order number regardless as we may be able to find you in our database). Once you have reached out to our support email we can assist further with a solution.

• This may just be air in the water lines. To know for sure take a clear glass cup and pour some water into the cup. Let the water sit for 10-20 seconds. Not whether or not the water clears up. If the water is clear after a few seconds then it is just air in the water lines.
• Due to how air and gravity works, having air in the water lines can occur at times if the plumbing work is a few feet above the system. If this is the case it is nothing to be alarmed about and it should clear in a few days.
• What we would recommend is to simply adjust the RR to 20-25 minutes. Upon the next regeneration this will help to push out residual air out of the system.

• It may just be a rare case where an abundance of salt was pulled into the system during the brine draw.
• This is easily solvable by adding 20-25 minute to the rapid rinse. This will allow excess salt and air to be pushed out of the system.

Yes. The tank can be placed on its side. The RO filter housing must always be right side up.

Yes. There are water conditions you should meet before installing so it is always recommended that you test the water with a full spectrum test for hardness, turbidity, PH, Sulfide, Iron, Manganese, Chlorine, and total dissolved solids.

• Water Condition Parameters
• Turbidity: <5 NTU
• pH: 4 - 11
• Hardness: < 7 grains per gallon (< 120 ppm)
• Sulfide, Iron Manganese: < 0.01 ppm
• Chlorine: < 2 ppm
• Total Dissolved Solids (TDS): < 1,000 ppm

Under no circumstances should you install the RO system onto the hot water line. The RO system is only meant to be on the cold water line.

• For Aquasure Reverse Osmosis Systems there will be a 3 to 1 ratio. For every 1 gallon of pure water there is 3 gallons of wastewater. If you just installed the system not too long ago, allow at least one or two hours to allow the reserve tank to fill and see if the drain line water eventually stops.
• Make sure that your water pressure/PSI is between 40 - 75 PSI.
• Turn off your tank ball valve (on top of the reserve tank) and wait for 2 to 3 minutes to see if the system stops producing water. If the water stops going to the drain, the system is normal. If the water continues to run, please shut off the feedwater and contact us for further troubleshoot.

This may be due to the carbon fine material located in two of the filters or it could possibly be material for one of the other filters in the RO. At times the inside of the filter might have hairline cracks which are fine as they could happen naturally or during transit. As a result you might be seeing material from the filters pass into the reserve tank.
To resolve this you need to simply let the reserve tank fill up and then flush the tank by turning on the faucet and then letting the water drain from the reserve tank. You will want to do this twice to ensure that any filter material is thoroughly flushed from the tank/system. Afterwards the water should run clear.

• In this instance there may be something blocking/impeding the flow of water through the four stages of the RO system. You may want to check your overall water hardness. If your water hardness is above 7 GPG (grains per gallon) then the hard water may be adding scale over time to the filters which may be contributing to the lack of flow for the RO system. Before replacing the filter make sure that your water is below 7 GPG to avoid scale building up
• You will also want to ensure that the pressure of your tank is adequate. If you remove the blue circular piece on the tank the air pressure in the valve stem should be between 5-10 psi. You will want to measure the pressure with a PSI gauge that is sensitive enough to read between 0-20

Refrigerators can use up to 20 PSI which can sometimes have an effect on the RO system. In rare cases this can cause the fridge and the RO to compete for pressure. Attempt to shut off the connection to the fridge to see if it makes a difference. Leave this connection off for about 2-3 hours and then turn it back on. After that time the pressure should be regulated now and the RO system should be able to support itself and the fridge/ice maker.

• Standard resin in all systems is 8% cross link cation resin.
• 10% cross link is used for the fine mesh versions of the water softening systems.

1. Ferrous iron
   • Ferrous iron is often referred to as clear-water iron.
   • Our water softening systems are effective in reducing ferrous iron.
2. Ferric iron
   • Our water softeners remove some ferric iron but not all of it. There is partial filtering of ferric iron.
3. Iron Bacteria
   • Our systems do not remove any iron bacteria. If iron bacteria is a problem then you would have to consider installing a pre UV Filter onto the system or consider alternative methods for dealing with iron bacteria such as a chlorine shock.

The water softener by itself will not remove sulfur dioxide. If sulfur is any issue in your water source then you may want to consider one of our media tanks from our fortitude series with the KDF 85 upgrade. With the media tank and KDF 85 upgrade, sulfur can be effectively filtered out of the water.
AS-FP600 pairs with the 32,000 grain
AS-FP1000 pairs with the 48,000 grain
AS-FP1500 pairs with the 64,000 grain

The system is warranted for a full 5 years.

All resin tanks are designed to last between 8-10 years but the lifespan of the resin will always vary based on the condition of water and its environment.

The media tank is designed to last between 8-10 years but the lifespan of the media tank will always vary based on the condition of water and its environment.

RO system warranties are for 3 years as long as it has been registered within 2 months of the purchase time. (Standard warranty will be 1 year without registration)

RO Filter Replacement Time Frame

• Pre-Stage Filters (The pre-sediment and pre carbon): Replace every 6 to 12 months (Private well water source may need to replace pre-filters sooner than 12 months due to heavy sediments and other particulates.)
• RO-Membrane and Post Carbon: Replace every 2 years (Private well water source may need to replace membrane sooner than 2 year due to lower source water quality)

You will need to re-insert the battery back into the LED faucet indicator. This will cause the system to reset and the LED should go back to normal.

There is no cause for alarm if you only received one package. Normally the last half of the shipment arrives shortly after the first one within a few hours or perhaps the next business day. We would suggest checking your tracking information on the shipping carriers official website as it may reveal the other half of the shipment and that it is likely still in route.