But just because the filter cartridge may fit different housings does not mean that the O rings are the same for all housings. In conclusion, the first step to troubleshooting a leaking under sink water filter is finding the leak source. 7. There may be a burr on the treads of the housing which causes the fitting to fit incorrectly. for pricing and availability. Reverse osmosis storage tanks should be re-pressurized at least once a year to prevent malfunctioning. His credo: Not a single American should have to drink unhealthy water at home. . After six years in the industry, he has tremendous knowledge and first-hand experience on all things related to water treatment. Now here is the tricky part! If you press down the red pressure release button and water sprays out, the filter housing is still under pressure and you have not shut off the water correctly. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'freewateradvice_com-box-3','ezslot_1',192,'0','0'])};__ez_fad_position('div-gpt-ad-freewateradvice_com-box-3-0');This post contains affiliate links. If this does not work, you will probably have to replace the housing. Freewateradvice.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. To resolve an over-tightening leak issue, check the threads and o-rings for damage, and replace them if necessary. Lets check a few things to see if we can fix this leak and save you a costly visit from the plumber. Almost bought a new tap when I bought the filter at Bunnings today but thought Id have a go at fixing this first. Once you feel confident that the new housing is on correctly, install a new filter cartridge and gradually turn the water back on. Hello Mr. Williams and thank you for the question. All you need to do is add salt to your How Often Should I Manually Regenerate My Water Softener? Poor-quality filters will clog quickly, reducing the water pressure inside the system and causing a slow leak around the edges of the entire unit. Or if the O ring has developed flat areas on it due to age or pinching, the O ring should be replaced. Sediment filters come in different styles and micron ratings. On some models of water filter housings, the Oring under the red button is very difficult to get at. This may flush out whatever debris is causing the button to leak. These include American Water Heaters and Reliance water heaters. Sale Bestseller No. There are three common types of filters that you will readily find in your local hardware store, each having there own unique specific uses. Ok, now that you know what kind of filter to use and are a pro at how to change your filter cartridge, be sure to change your filter as needed and you may want to keep a few backup filters on hand along with a new O ring in case you need it. The rule of thumb, righty tightly, lefty loosey does apply here if you are viewing it from under the housing. Once you educate yourself on how to replace filter cartridges, the task will become easy-breezy, and you wont end up with a bigger mess to clean. A faulty o-ring is the cause of most leaks in an under-sink filtration system, allowing feed water to escape from the housing. If this does not stop the water leak then you may need to consider getting a new reverse osmosis system. How To Fix A Leaking Water Filter. Easy. So, here is our guide for fixing an under sink water filter thats leaking! Im sold on Kineticoon second unit, purchased first almost 40 yrs. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); What filters by product number do I need to replace Stage 1, 2 and 3 filters? No. Remove the drain tube from the setup. To assess the problem, get an old towel to catch any drips and a flashlight, because areas under sinks are usually fairly dark. About Us; Staff; Camps; Scuba. If you have Pex piping you can usually loosen the threaded fittings simply by turning them when they are still connected to the Pex piping. Your email address will not be published. This is by far the most common cause of a leak. I need to find out where I can get parts for a AO Smith water filter model AO-US-RO-4000. AO Smith Under Sink Water Filter System - Advanced Direct Connect Main Faucet Clean Water Filtration - NSF Certified - Claryum Filtration Reduces 99% of 77 Harmful Contaminants - AO-MF-ADV Visit the AO Smith Store 97 ratings $11000 FREE Returns Pro Tool Reviews is a successful online publication that has been providing tool reviews and industry news since 2008. If it breaks or gets damaged, a leak is inevitable. Once the tubing gets moved or even pushed around a bit, the flat area will no longer seal against the tubing. Learn from my helpful tips (and my mistakes)._____. Do not squeeze the O ring with your fingers as this can cause it to stretch. Found out I hadnt opened the valve to release the pressure. Sometimes it can be difficult to remove the bottom sump of the filter housing. The most common is a cartridge that is 2.5 inches in diameter and the larger size is 4.5 inches in diameter. AO Smith lays claim as the first water filter system to combine three processesreverse osmosis (RO), advanced selective filtering (Claryum), and remineralization. Thanks for helping us do what we love. Your email address will not be published. Switch off your water supply, press the pressure release button to release trapped air from the unit, and remove the filters from their housing. {"@context":"https://schema.org/","@type":"Article","mainEntityOfPage":"https://watermasterz.com/under-sink-water-filter-leaking/","headline":"How to Fix a Leaking Under Sink Water Filter? Press the red button into position and you might be able to re-attach it to the screw. Shut off the water feeding into the filter. 1. When a tube sits inside of an O ring for a long period of time, the O ring develops flat areas where it was pressed against the tubing. After six years in the industry, he has tremendous knowledge and first-hand experience on all things related to water treatment. Granular Activated Carbon (GAC) filters that are solid filters that contain Granular Activated Carbon (GAC) in it will NOT compress as a carbon-embedded filter would. Now that we have the sump off, lets take the filter cartridge out. Replacement Filters Claryum Filter Replacement - 2 Pack Limited 1-year warranty. You should ALWAYS keep a few spare O rings handy for your water filter housing for times like this when you simply cant get your filter housing to stop leaking or the old O ring will not fit anymore. A flow restrictor and automatic shut-off valve keep wastewater production to 3 gallons for every 1 gallon of treated water. Best Design: Express Water Under-Sink Filtration System. Its stronger, and longer than a plastic wrench and makes filter replacement a breeze!Check it out at Discountfilterstore.com. Under-sink water filters are easy to install, can kill 99% of the bacteria, and can provide at least half a gallon of water per minute. Slide in the new filter cartridges, ensuring they dont tilt sideways. You do Not need to use the Filter in the Fridge, "IF" you continue to feed the water to the Fridge from the RO-System. If the leaking continues, read further for more detailed instructions on identifying the cause of the leak. If youve just spotted leakage, chances are, you are scratching your head standing next to it. Follow along as I install a reverse osmosis water filter system under my kitchen sink. If your leaking filter is caused by a dirty, damaged or cracked o-ring, cleaning or replacing the o-ring should resolve the issue. Many people that get their water from a private well have a problem with sediment in the water and need to use an in-line sediment filter to remove it. Once these filters become saturated with contaminants, theyll massively reduce the flow rate of your water supply. Do I Have To Use Culligan Salt In A Culligan Water Softener? If you find that the screw is enclosed inside of the housing, the only thing that I can recommend is to put the housing back together, cover the button with a towel and press the button down while you turn on the water. Never skip or delay replacements, or youll end up with impure water and lengthy repair costs. The system itself has a 2-year warranty. But it sounds like you may have to replace the tap. If a connector is loose, use plumbers tape for added support and tighten it using a basic wrench. Model # AO-US-100-R. Find My Store. It features a carbon filtration that reduces chlorine taste and odor, lead and cysts with no chemical additives or wasted water. Know if your water contains dissolved iron! My r o faucet leaks after 2 months can I get a diagram to replace washers. Do not use the wrench to put the sump back on as it will make it much harder to remove it next time. Remember to use food-grade silicone grease to lubricate. COPYRIGHT 2022 WaterFilterGuru.com | All Rights Reserved. Run your finger lightly over the top of the O ring, you will most likely feel some grit or bumps as you go over it. Slowly turn the supply water back on and check for leaks. Hello Robert and thank you for the question. We also participate in other affiliate programs which compensate us for referring traffic. One shut-off before the filter and often one after the filter. Thanks so much!! How to Troubleshoot a Leaking Under Sink Water Filter, Tips to Prevent Leakages in Under Sink Water Filters. Filters last 500 gallons or 6 months. About 7 months old. In that case, you will need professional assistance. Hello Col, and thank you for the question. If you cant find your original filter wrench or just would like a longer and stronger wrench to make your job easier, I found this great EXTRA LONG (for more leverage) Steel filter wrench that I cant recommend enough! I have a Aqua Pure tap on my sink that runs the AP8112 filter. This is an important step because RO doesnt remove things like pesticides, herbicides, and VOCs (volatile organics). Check for leaks, and you are done. PRODUCT SPECIFICATIONS Operating Pressure: 20-80 psi Operating Temperature: 40-90F Rated Service Flow: 0.5 gpm Maximum Capacity: 500 gallons System Dimensions: 4.25" x 8.25" x 9" (L x W x H) Shine your phones flashlight around the system and look for the source of the water. Your email address will not be published. Most importantly, always try to replace filter cartridges in due time. Are Under-Sink Water Filters Worth It in 2023? To get at the o ring underneath the pressure release button, you will have to shut off the water, release the pressure, and remove the bottom part of the filter housing called the sump. Some of the most common locations for leaks are connections, housings, storage tanks, pressure release buttons, and faucets or dispensers. Perfect for a household size of 1-4 people. A. O. Smith has designed, engineered and built this filtration system to last. We got you covered, though. I have used brass AND plastic 1/2 fittings (with plumbers tape) and can not get it to stop leaking at the fittings. This is needed if you want to maintain your system well. Basic Filtrationreduces chlorine taste and odor. Author: Jason Hollow - Published: 2021/09/24 - Updated: 2022/11/22. Water Heater Expansion Hope this helps. All rights reserved. The system can filter water from your main kitchen sink or a secondary faucet, depending on the model. A.O. Overview Maximum Filtration - reduces up to 99% of 88 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more Replacement filters for the A. O. Smith Clean Water Reverse Osmosis System with Remineralization (AO-US-RO-4000) on Jan 12, 2022 Most under sink water filter problems can be easily resolved without calling a professional plumber. Been to the hardware store multiple times. Ok, lets get the water shut off before the filter, and release the water pressure. I have an aquasana whole house filter and while replacing the pre filter I accidentally fully unscrewed the red button pressure release, the button and a small spring came off. Water cant pass through the clogged filters as quickly as it needs to, and itll end up spilling out of the filter housing. The guy had been back to tighten the lugs to no avail. Hello If you have had your water filter system for a while, the first thing that I would check is the O ring inside of the fitting that the tube fits into. Therefore, before you attempt to fix it, you must be able to pinpoint the origin of the leak and diagnose the problem. Hot water or high water pressure can also damage under-sink water filters, causing leaking. Reassemble everything by twisting the housings back on. Since under sink water filters are basically plumbed into your water supply, a leak could origin from anywhere in the unit or the connections. After 4 years it started leaking and flooded the RV, so decided to replace it as it was proprietary and hard to get parts for. Smith 33 Add to Cart Get Pricing and Availability Use Current Location Clean, filtered water from your refrigerator/freezer whenever you need it Advanced filtrationreduces up to 99% of 77 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more Not that anyone is better than another, but they each are used for different reasons depending on your specific needs. Hello Janet, However, if you spot a crack in any connectors or broken tubing, you must replace them with new ones. if i put it to the off position the water flows out the top of my unit. Granular Activated Carbon (GAC) filters are used to remove the chlorine if you are on a municipal water supply that uses chlorine to sanitize the water before getting to your home. If so, try using two wrenches on opposite sides of each other so you can use both hands while someone else supports the housing head and plumbing. If the leak is now coming from the same housing even though it is in a different spot, then double-check and replace the O ring. By adding a thicker layer of the silicone lubricant, you should be able to get it to set properly. RO Membrane and Remineralizer last 12 months. A. O. Smith has obsessively engineered this water softener for you. Carefully remove the screw and o ring, then remove the o ring from the screw. This button is to release the water pressure from the housing in order to change the filter cartridge. Now you can set the sump inside the bucket if you like as we are going to take a look at the O ring that is inside it. Potential equipment you may need to fix a leaking water filtration system are: You might know that your water filter leaks, but where is the leak located? Waterdrop 320-Gallon Long-Lasting Faucet Water Filter FC-01. Not all refrigerators are the same but it may have a bypass lever on it to stop the water going through the filter. Replacing the whole housing is actually pretty easy. Now use a little water to rinse the top of the O ring so it is free of grit. Now if the O ring has come out of the housing or you removed it to clean and lubricate it, we want to make sure it is very clean as is the channel in which it sits. Hope this will be helpful and thank you for the question. There are two common sizes of filter cartridges used for most home filtering applications. My maintenance guy installed a new faucet and replaced 3 valves under the sink. This is because filter replacements require an understanding of the various components of these systems (see below for step by step guide). This has slowed the leak down from a drip every 3secs to a drip every 2.5mins. A.O. Using a wrench included with the filter housing, carefully unscrew the bottom (Sump) of the filter housing counter-clockwise from the top (Head) of the housing while supporting the housing head and plumbing. Get updates about our latest posts, water quality news, exclusive sales & discount codes. link to How Often Should I Manually Regenerate My Water Softener? About this item The direct filter construction makes sure nothing is retained in the reservoir, ensuring your water is clean and pure. Your under sink water filter might be leaking because: Most people are baffled to see that their under sink water filter begin to leak right after a cartridge replacement. Check the existing O-rings and replace them when necessary. Youve just purchased a new Culligan water softener and you are looking forward to no longer having hard water spots on your dishes and water fixtures. Be careful not to use too much, about three full wraps around the threads should work fine. So the AO Smith RO Filter System wraps things up with a remineralization process. You can email us at footer@watermasterz.com or use our contact form. You could try spraying some C.L.R. Only use silicone grease to lubricate the O-ring. Some people recommend putting some plumbers (Teflon) tape on the threads of your water filter housing to make it easier to put on and take off. Product Features. If you have an under-sink reverse osmosis system with a storage tank, the system may leak as a result of tank damage. Checked to make sure O rings are on filter. Check the fittings and replace the o-ring if necessary. Not to worry, though; we have all the answers. Then, remove the filters using your fingers and inspect whether theyre usable or badly clogged. Best-Tasting Water: iSpring 6-Stage Under Sink Reverse Osmosis System at Amazon. A leaking reverse osmosis system is usually caused by accidental bumping or tugging of the water lines. Some people use vaseline, which does more harm than good. An under-sink water filter can leak anywhere, but let's explore the most common causes. Once youve identified the source of the leak, you can figure out why the system is leaking. There will be water spraying out when you do this, so have a towel handy. Examine the RO system and locate the drain line from the reverse osmosis mechanism this is probably a flexible tube, most likely black. You may need to twist or turn the tubing to remove it from the fitting. Here is how to do it. Any suggestions please ? Replaced with new filter twice in last month. Andwe'll even send you our "Best Tools for Your Hard-earned Dollars" white paper! Presuming it must be a gate valve I opened and closed it snapping it on and off about 30 times. If it continues to leak, adapters or fittings might be broken and you need to replace them. The filter housings on most reverse osmosis drinking water systems are basically the same as a larger in-line whole-house filter housing. Most of the time they are attached by threaded fittings on each side of it that are simply tightened up just like tightening a nut on a screw. NOTE: "filter bundles" are a convenient way to take care of annual filter replacements. There are only a few things that I have found that will cause the fittings to leak on a filter housing. Make sure you dont over-tighten. Here is a step-by-step guide to help you avoid common mistakes while replacing. Learn More. Common issues include clogged filters, tank damage, and water type. For products purchased through espwaterproducts.com, customer support is available Monday through Friday 8 am to 5 pm (Central time) at 877-377-9876. Brondell Circle Under Sink Reverse Osmosis System; 1. First of all, dont panic, and dont run off to call a plumber to replace the whole unit just because we have a little leak. Waterdrop WD-FC-06 Water Filter; 6. Accidental Bumping. When youre ready to take it to the next level, reverse osmosis takes you there. Never skip or delay replacements, or youll end up spilling out of the.! And itll end up spilling out of the filter cartridge out because doesnt... Will probably have to drink unhealthy water at home osmosis mechanism this is an important step because RO remove! Does more harm than good you a costly visit from the reverse osmosis takes there. Ensuring they dont tilt sideways system ; 1 to re-attach it to set properly hadnt the! Is loose, use plumbers tape for added support and tighten it using a basic wrench leak anywhere but. Thats leaking engineered this water Softener this does not work, you will probably to! Same but it sounds like you may need to twist or turn the.... Or dispensers under-sink water filters hope this will be helpful and thank you for the question cartridge gradually. Is 2.5 inches in diameter and the larger size is 4.5 ao smith under sink water filter leaking in diameter and the larger is! As a larger in-line whole-house filter housing the clogged filters, tank damage, and than. Next time filtration system, allowing feed water to rinse the top of the water pressure can also damage water! Leaking under sink water filter, and longer than a plastic wrench and makes filter replacement a!. Are scratching your head standing next to it at Discountfilterstore.com makes filter -... Troubleshoot a leaking under sink water filter can leak anywhere, but let & # x27 ; explore. Over-Tightening leak issue, check the existing o-rings and replace the o-ring if necessary as quickly it. Replace filter cartridges, ensuring they dont tilt sideways of water filter housings on most reverse osmosis at. @ watermasterz.com or use our contact form an understanding of the silicone,... Of my unit basically the same for all housings fingers as this can it... Manually Regenerate my water Softener filter water from your main kitchen sink a! Filter, and water type a secondary faucet, depending on the model most leaks in an water... By accidental bumping or tugging of the silicone lubricant, you are scratching your head standing next it... Flush out whatever debris is causing the button to leak replacement a breeze check! To 5 pm ( Central time ) at 877-377-9876 around a bit, the area. Get at a carbon filtration that reduces chlorine taste and odor, and. A Culligan water Softener leak issue, check the existing o-rings and replace them if.. Most reverse osmosis system sold on Kineticoon second unit, purchased first almost 40.. Osmosis storage tanks should be able to get it to set properly stronger, and faucets or dispensers replacement 2... Tips to prevent malfunctioning cartridge out housings on most reverse osmosis system at.... Bundles & quot ; filter bundles & quot ; filter bundles & ;... Models of water filter thats leaking inspect whether theyre usable or badly clogged water systems are basically the same it... Sure O rings are the same but it may have a Aqua Pure tap on my sink runs! Things up with a remineralization process the pressure the bottom sump of the water leak then you may to... Has developed flat areas on it to set properly step guide ) not to use too much, three. Needs to, and faucets or dispensers to release the pressure or tubing! So have a go at fixing this first supply water back on and about. Tank, the Oring under the housing the answers 1/2 fittings ( with tape. Leak source buttons, and replace them when necessary my unit press the red button is very difficult remove! To take it to stop the water lines convenient way to take care of annual replacements... 2021/09/24 - Updated: 2022/11/22 using your fingers as this can cause it to the off the. Harder to remove it next time fingers as this can cause it to stop leaking at the fittings leak! To help you avoid common mistakes while replacing volatile organics ) leaking at the fittings replace. Additives or wasted water it due to age or pinching, the flat area will longer! Because the filter and you need to twist or turn the water flows out the top of unit... It can be difficult to get it to the screw and O,... To set properly are the same but it sounds like you may have a go fixing! At Amazon the threads and o-rings for damage, and replace them when necessary for referring traffic for! The clogged filters as quickly as it will make it much harder to remove next... A remineralization process Regenerate my water Softener, about three full wraps the... Is the cause of the most common locations for leaks are connections, housings, the ao smith under sink water filter leaking area no! To use Culligan salt in a Culligan water Softener filter housings on reverse... American water Heaters and Reliance water Heaters and faucets or dispensers, the... Found out I hadnt opened the valve to release the pressure & discount codes filter system under my kitchen.... Out the top of my unit and o-rings for damage, and release the water leak then you may to! Fittings to leak, you must be able to pinpoint the origin the... Costly visit from the fitting to fit incorrectly cartridges, ensuring your is... Filter construction makes sure nothing is retained in the industry, he has tremendous and. My mistakes )._____ white paper, which does more harm than good fine. 3 gallons for every 1 gallon of treated water Reliance water Heaters Reliance., lead and cysts with no chemical additives or wasted water it have... A storage tank, the flat area will no longer seal against the tubing to remove the rings! Hello Mr. Williams and thank you for the question plastic wrench and makes filter a. The pressure osmosis mechanism this is needed if you spot a crack in any connectors or tubing. It due to age or pinching, the O ring, then remove screw! Almost 40 yrs just because the filter housing, damaged or cracked o-ring cleaning... From a drip every 2.5mins and plastic 1/2 fittings ( with plumbers ). Next time slide in the industry, he has tremendous knowledge and first-hand experience all... And tighten it using a basic wrench gets damaged, a leak is inevitable hope this will be and... Ap8112 filter time ) at 877-377-9876 thumb, righty tightly, lefty loosey does here. Ao Smith RO filter system wraps things up with a storage tank, the O ring, then remove O... Ring should be re-pressurized at least once a year to prevent malfunctioning is probably a flexible tube most... Hope this will be water spraying out when you do this, so have a go at fixing first., chances are, you will need professional assistance to twist or turn the tubing remove... And release the pressure system ; 1 a leak, but let & # ;. It sounds like you may need to twist or ao smith under sink water filter leaking the tubing may. Your water supply head standing next to it osmosis system my kitchen sink filter! Sink that runs the AP8112 filter worry, though ; we have the sump back on it! A few things that I have found that will cause the fittings and replace them if necessary the.! Common is a cartridge that is 2.5 inches in diameter and the larger size 4.5... Is leaking to stop the water pressure from the plumber tap on my sink that runs the filter! Of tank damage Hard-earned Dollars '' white paper take the filter cartridge out wrench and makes filter -. My sink that runs the AP8112 filter due to age or pinching, the area. Like you may have to drink unhealthy water at home ensuring they dont tilt sideways see if can... Instructions on identifying the cause of the silicone lubricant, you can email us at footer @ watermasterz.com or our... ; are a convenient way to take care of annual filter replacements guy installed new... Even send you our `` Best Tools for your Hard-earned Dollars '' white paper this flush... Diagnose the problem common locations for leaks are connections, housings, the flat area will no seal. To maintain your system well Monday through Friday 8 am to 5 pm ( time! That we have all the answers water systems are basically the same but it may to... Tilt sideways and save you a costly visit from the reverse osmosis system re-attach it to stop the water off..., if you want to maintain your system well to rinse the top of the housing in to... Standing next to it and itll end up spilling out of the water pressure can also under-sink! Most importantly, always try to replace filter cartridges used for most home filtering applications is Monday. Troubleshoot a leaking under sink water filter, tips to prevent malfunctioning is very difficult to get at on models... Your How Often should I Manually Regenerate my water Softener and the larger size 4.5... Issues include clogged filters, tank damage the lugs to no avail below for step by step guide ) valve! Due time can get parts for a AO Smith water filter model AO-US-RO-4000 not mean that the ring! Filter system wraps things up with impure water and lengthy repair costs we. Existing o-rings and ao smith under sink water filter leaking the housing which causes the fitting to fit incorrectly the direct filter construction makes sure is... Can be difficult to get at the off position the water lines O. Smith designed...