But it is not worn too much and it can be used with back side by turning over. It would be interesting to see statistics of the failure rate of these water regulators depending on the hardness of the water in the location where they are used. This Regulator valve cost is $156.00. But now, the same problem occurred with the second one. The other rubber part - seal ring looks still ok and it can be used by turning over. 
Looking at all the old stems I have, including my current one that has the leak problem, ALL have a groove similar to yours at the stem. But two hours later, I found that the pressure crept up again to the citys pressure. 
Obviously the o-ring was worn out. This is a good reminder to just inspect and apply some common sense, and you'll likely save some cash! Cancer and Reproductive Harm About that N, I guess is Neoprene. Since it was difficult to make photos of the valve which is in a corner, I took pictures with the old valve to show how to disassemble it. The o-ring part number is 113N. Good communication is helpful for both of us to resolve any problems and issues. Fix it cost is only $2.57. Loosen main cap and remove counterclockwise. To find a replacement o-ring is the key to repairing the regulator.
I didnt touch adjust bolt since it has nothing to do with the valve properly to close. I have to say there is a repair kit online, but the cost almost as much as a new regulator. Copyright 1995-2022 eBay Inc. All Rights Reserved. I reassembled the regulator. On hardware stores website, check the reviews of this Model, there are several reviews report its leak pressure after 2 years or 3 years, that is just same as my problem. It's impressive and inspiring to see money-saving fixes like this. Yes, you are right. A failed water pressure regulator valve should be replaced as soon as possible or that is what I want to say Fix It as soon as possible. Thinking about such a small o-ring has moved thousands of times over the bore wall in the past couple years, there is no surprising for it was worn out. A water pressure regulator controls water through a spring and diaphragm, which resistance and lowers the pressure to the safe level. It's not the first time I have uncounted this problem. When there is no water flow, the home water pressure creeps up and eventually rises to citys water pressure. 20112022 Zoro Tools, Inc. All rights reserved I decided to try and fix it. RK 3-500XL, RK 3-500XLYSBR, WARNING: It has to be replaced. My regulator problem occurred in no flow. I dont like it. So far, this repair had typically completed. No. I'm happy this repair was successful and I'm enjoy the repair in which I learned many. It likes a small hole between the stem and o-ring, leaking pressure to home side. Do Not Sell My Personal Information, Repair Kit, Fits Brand Zurn, For Use With Grainger Item Number 45K833, For Use With Mfr. There are two rubber parts are important for closing the valve. Shut off water before starting disassembly and turn on a faucet to release line pressure. Very useful instructable, I will be checking my water pressure again just to be sure. For more information go to. Reply There was a crack in brass of the stem which surface is contact with the o-ring. The water system parts may have shorter life in hard water. But for me it has not finished yet. I filed off this crack with a needle file till the surface is smooth. Did you make this project? If the pressure regulator valve doesnt work well, too much water pressure can cause bath room, sink faucets or washing machine hose joints leak, because they are designed to work at a pressure of about 50psi. This is just my regulator problem. I had this problem with my previous regulator. Use two or three dollars to solve a problem instead of one hundred dollars, why not? The water pressure was leaked from the worn o-ring. I dont want to replace it third time. The lowest-priced brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable).Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag.See details for additional description. Thank you for your comment. Problem: home water pressure creeps up to citys street pressure when there is no water flow. Hope it can help someone who has the same valve problem. I never thought about this before, but I totally agree. Terms & Conditions Screw main cap, checking the gasket, if the gasket is broken, using plumber tape. From this picture, It can be easily estimated - If the valve does not close properly, the home pressure will be equal citys pressure. But in the end, I found that the problem was at the brass stem, not the rubber parts. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Top picked items. third party to be compliant with the Safe Drinking Water Act requirements for low lead in potable Share it with us! View cart for details. Something went wrong. I want to learn how it works in no flow. I disassembled and reassembled the valve many times to check the rubber parts. After replaced rubber parts, the regulator looks fine. I have the exact same problem. I thought if I can fix it myself, the thing will be under control, otherwise, I may need to replace a new regulator every couple of years. This is one of the major brand and major model on the market. I'm guessing a small pebble gets in and digs a groove into that soft brass/copper or whatever it is. Fortunately, this crack is not too deep. I had to replace our PRV last year, and didn't even consider trying to fix it first. Very nice. Anyhow, with this information, I found a o-ring in hardware store, which is #11 o-ring 3/4 O.D. item 1 Complete Repair Kit for Zurn Wilkins 1" Model RK1-600XL Pressure Reducing Valve, item 2 Wilkins Regulator Co. RK2-500 Water Pressure Regulator Repair Kit FNOB, 5.0 out of 5 stars based on 1 product rating, 4.3 out of 5 stars based on 3 product ratings, 4.9 out of 5 stars based on 22 product ratings, 4.8 out of 5 stars based on 34 product ratings, 4.7 out of 5 stars based on 55 product ratings. A water pressure regulator (pressure-reducing valve or PRV) is a control valve to reduce the water pressure to a safe level inside the home. Mine is 30 years old and seems to be still regulating the water pressure. In the next steps, I want to share how I fixed my water pressure regulator valve last week. It works very well this time. A tip is screw little tightly since the water pressure can loosen the plunger. The strainer has no relation with this too. Remove and inspect the stem. But this means there is still leaking in somewhere. (human consumption - drinking and cooking) and non-potable (non-human consumption) water applications. Checking on internet again, the o-ring 113 dimensions are 3/4 x 9/16 x 3/32. Unscrew bell housing counterclockwise and remove spring, spring disc and friction ring. Turning over seal ring and screw plunger into stem unit, dont forget the washer. 2 years ago. This product is part of the finished good by the same manufacturer which has been certified by a Also dont over tighten plunger to avoid breaking the threaded end of the plunger. It is a bit slower than before. As the picture shown, when there is no water flow, the home water pressure rises, counter-balancing the spring force, and the valve closes. Supports a 12-month warranty. Put spring, spring disc and friction ring, then screw bell housing. The cost is $2.57 for 10-pack. We have very soft water here and things like water heaters and valves tend to last a very long time.
It looks like you have a lot of scale on the spring which is indicative of hard water. 20112022 Zoro Tools, Inc. All rights reserved, ZURN WILKINS Repair Kit, Reduce Valve, 1 In RK1-500XL, SLOAN Closet Diaphragm Kit, 2.4 GPF A1044A, Zurn Wilkins Plumbing Parts & Accessories. Dont need to do anything with the diaphragm keeping it on the stem. x 3/32 and it is same as the worn o-ring. Loosen plunger and remove counterclockwise. x 9/16 I.D. The pressure is keeping on about 50 psi now. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in Pressure Switches, Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- You may also like, {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}.
Checking on internet, I found this regulator parts list online.
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