It is recommended to change the 1st, 2nd, and 3rd stage filters every six months. By changing the pre-filters (1st, 2nd, 3rd) on a regular six month basis you will avoid dirt and chemicals that will plug the RO membrane. Your local water conditions c

<p>It is recommended to change the 1st, 2nd, and 3rd stage filters every six months. By changing the pre-filters (1st, 2nd, 3rd) on a regular six month basis you will avoid dirt and chemicals that will plug the RO membrane. Your local water conditions can affect how often you need to change your filters.</p>

Filter Changes: Is it necessary to change the filters every six months?

No, you don’t have to change your flow restrictor with our RO System. Express Water uses a newer “inline flow restrictor”. Unlike other varieties this flow restrictor can be cleaned, so there is no need to replace it when you replace your RO Membrane

<p>No, you don&#x2019;t have to change your flow restrictor with our RO System. Express Water uses a newer &#x201C;inline flow restrictor&#x201D;. Unlike other varieties this flow restrictor can be cleaned, so there is no need to replace it when you replace your RO Membrane.</p>

Flow Restrictor: Is it necessary to change the Flow Restrictor when I change the RO Membrane?

Express Water

Filter Changes: Is it necessary to change the filters every six month?

What is Reverse Osmosis?

How Does Reverse Osmosis Work?

Express Water Reverse Osmosis Filters

Reverse Osmosis

Total Dissolved Solids (TDS): What are they?  Total Dissolved Solids (TDS) are all organic and inorganic contaminants that have been dissolved into water. These contaminants are gathered from everything water comes into contact with before it finds i

Contaminants: What contaminants are reduced by Reverse Osmosis?

Does Reverse Osmosis remove Parasites, Bacteria, Cysts, and Cryptosporidium?

What happens to filtered impurities?

Drinking Water Contaminants

Water Pressure: How important is water pressure to an RO System?

Iron: Will iron hurt an RO System?

Water Differences and Dissolved Solids: How is RO Water different from tap water? How will I know the RO System is removing Dissolved Solids from my tap water?

Lifespan: How long does the system last? How long does the tank last?

My Home: How do I know this system will work in my home?

System Life: How long does the system last? How long does the tank last?

Tank Capacity: How much water can the Water Storage Tank hold?

Express Water Reverse Osmosis Systems

Water Softeners: Does a water softener treat my drinking water?

Water Softeners: Will a water softener harm a Reverse Osmosis System?

Water Softeners: Will an RO System soften water?

Water Softeners: How do water softeners work with the RO System?

Water Softeners & Reverse Osmosis Systems

Do RO Systems send water down the drain?

What is the discharge rate?

What is the ratio of wastewater to pure water produced by an Express Water RO System?  Your water pressure, incoming water quality, and water temperature will affect your RO System’s discharge rate.

Can wastewater be saved and used?

RO Waste Water & Wastewater Discharge

Filter Upgrades: Can I add additional filters to my current system?

Refrigerator and Ice Makers: Can I connect this system to a refrigerator or icemaker?

System Upgrades: Can I change my 50 GPD (Gallons Per Day) system to 100 GDP? If so, how?

Water Filter Upgrades

Water Filter User Manuals

Mounting Locations: Does the RO System have to be under the kitchen sink?  No, the RO System can be mounted in a cabinet to either side of the kitchen sink or even mounted remotely in a garage or basement.

Dimensions: What are the dimensions of an Express Water RO System?

Line Length Maximum: How far can a line run from the RO System?

Copper Tubing: Why not use copper tubing with an RO System?

Install Locations: Can I install this system in the basement? Can I install somewhere other than under my sink?

Water Filter User Manuals & Installation FAQs

Shipping: When will I get my package?

Returns: How do returns work?

Warranty: How does the warranty work?

Canceling an Order: How do I cancel an order?

Technical Difficulties: I’m having trouble using the site or getting through checkout, what should I do?

Ordering and Website Support