![]() ![]() If the pressure drop exceeds 16 psi, which is generally the limit in whole house filters, it’s time to backwash. Installing pressure gauges at both the entry and exit point can help you detect drops in water pressure. Pressure gauges can also help determine when it’s time to do a backwash cycle. In comparison, a carbon filter may not necessarily need backwashing more than once a week or fortnight. However, even if it’s not automatically set, you can refer to the user manual for recommendations from the manufacturer.įor example, an iron filter certainly requires backwashing more frequently than a carbon filter:Īn iron filter removing 13 ppm of both ferric and ferrous iron may require backwashing every few days. In most cases, a filter system will be programmed to backwash automatically, so you won’t have to worry about how many times the cycle needs to take place. The type of backwashing whole house water filter.There are three main aspects to consider: Now that you understand how exactly backwashing works and what benefits it brings, let’s discuss how often it should be used since this has a major impact on the life and performance of a filter. How Often Should Filters in a Whole House Water Filter System Be Backwashed? It prevents a buildup of germs like bacteria and mold inside the mineral tank, keeping the system pathogen-free.It increases the reabsorption capability of the filter through aeration.It renews the filtration capacity and ability of the filter media by removing impurities.It maintains the water pressure and flow in your home.This ultimately beats the very purpose of installing a whole house water filter in the first place.īackwashing deals with all these problems by clearing the filter media bed. However, when the layer gets too thick it can reduce water pressure noticeably. A filter cake can aid the filtration process blocking contaminants from reaching the filter media. Sometimes large particles can also form a layer on top of the filter bed. They will clog or foul much faster if the water is overly dirty. How long a filter will last also depends on the quality of water, as heavily contaminated H 2O will take a toll on the filter elements. However, you can prolong a filter’s service life considerably through backwashing. Over time, they get packed with contaminants that reduce their ability to catch and trap more contaminants.īackwashing or not, any system fails eventually and requires new filter media or replacement filter cartridges. ![]() Water filters, regardless of the type or quality, cannot last forever. Why Use Backwashing Whole House Water Filters? In some whole house filter models, the filter media is repacked with the help of a quick rinse. After that, the water flow returns to normal, with incoming water from the city or well going through the filter media in the tank. The backflushing cycle lasts for a set period, usually around 10 minutes, during which no filtration takes place. Now, the contaminated water is expelled via a drain, making the filter media clean again. This process is termed backflushing.ĭuring this reverse flow of water, the filter media expands and releases the contaminants it has previously trapped. It’s a periodic cycle where the water moves in reverse direction. The backwash phase can be set up manually or automatically. Another unit may be used to filter sulfur and iron.Īfter passing through the filter media, pure water flows out the tank and into the plumbing of your home. The exact methodology of trapping varies by the filter media and the contaminants in question. For instance, a filter may eliminate chlorine, chloramines and pesticides. As it flows down, the filter traps the contaminants. The water enters the tank from the top (control valve). They feature a large tank, sometimes called a mineral tank, containing a filter medium. Let’s look at each in detail: Filtration Phaseīackwash filters are tank-based filter systems. Whole house backwashing water filtration systems work in two phases: filtration and backwashing. Its purpose is filtration only, whereas water softeners work to purify water and remove hardness. However, it doesn’t really soften the water. ![]() In terms of appearance, a backwashing water filter looks pretty similar to a water softener. How Does Whole House Water Filter Backwash Work? Aquasana Rhino EQ-1000, EQ-600 & EQ-Well-UV.Best Countertop & Portable Reverse Osmosis Systems.Best Under Sink Alkaline Water Filter Systems.Best Water Filter Pitchers for Well Water.Best Whole House Water Filter and Softener Combos.Best Whole House Water Filter Cartridges.Best Sediment Filters for Well Water & City Water. ![]()
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