Restore factory performance to your Glacier Bay dual flush toilet; Easy to install; Designed to fit 3 in. dual flush valve Glacier Bay toilets; Adjustable flush, full for more power, or the half for water savings; Replaces old, or broken 3 in. toilet flush valve Glacier Bay models; 5-year warranty Two piece configuration allows ease of access to the area around the toilet. Top mount button is easily accessible with 1.1 gallons per flush to save water or 1.6 gallons per flush for powerful waste removal. Offers a safe and comfortable alternative for individuals with disabilities or limited mobility. High quality finish makes cleaning a breezeSeals for Toilet Flush Valves for dual flush valves, canister-style valves, and other flapper-less flush valves . American Standard Old-Style Champion ® 4 Seal - replaces #738651-0070A - fits old-style Champion ® 4 #3175.002 flush valve - View Old style and New style flush valve comparison - Replaced by Seal Kit; 435BP - $8.23 . Enter a …Fluidmaster Universal Toilet fill valve and 3-in flapper kit. The Fluidmaster PerforMAX High Performance Toilet Fill Valve and Adjustable 3 in. Flapper Kit is designed to offer the same high performance, and water-saving performance as our other repair kits, but specifically made for newer HET 3 in. flush valve toilets. 8 products in AquaSource Plumbing Parts & Repair Compare AquaSource Oil Rubbed Bronze Bathroom Grid Strainer Model # 10701X 6 • Decorative, stylish drains designed to enhance the appearance of your sink • Universal fit on all sinks (Drop in, undermount, pedestal, vessel, and one piece) • Brass drain body Find My Store for pricing and availabilityWhen it comes to choosing the right toilet bowl for your home, there are many factors to consider. The size and shape of the bowl, the height of the bowl, and the type of flushing system are all important considerations when selecting a toi...Apr 16, 2021 · Running Water. One of the most common problems with dual flush toilets is water running into the toilet bowl even after the tank is supposed to be completely full. A lot of water can get wasted this way if you don’t notice that it’s leaking. If this keeps happening, check to see if any of the following issues could be the cause. DEFLECTAIR B4802-1 Lowe's AquaSource Original Flapper Replacement for 1.28 GPF Toilets (98923, 312795, 352027, 395280, 12293), LASCO 04-2353 Replacement Flush …Gravity-fed flush technology is quiet and low-maintenance, and the 3-in flush valve provides a powerful flush. Elongated bowl provides added room and greater comfort. Chair height design makes sitting down and standing up easier. EPA WaterSense certified toilet uses no more than 1.28-GPF, helping you save water and money without sacrificing ... $1328 Get Fast, Free Shipping with Amazon Prime FREE Returns Item Package Quantity: 1 Includes Original Fixed Height Fill Valve, refill tube, cone washer, coupling nut, and installation instructionsChampion 4 5.5-in Blue Rubber Flush Valve Seal. Model # 7301111-0070AP. 93. • This American Standard seal kit includes both the gasket and o-ring for the Champion 4 flush valve. • Replacement blue seal is located around the upper rim of the flush valve tower. • Easy installation and instructions included. The Korky Large 3 inch Universal Toilet Tank Flapper is adjustable to match your original toilet's performance. It has a universal design and will fit oversized 3 inch flush valves found in newer 1.6 and 1.28 gpf toilets since the year 2005. The exclusive longest lasting red rubber resists chlorine, bacteria, city water treatment, hard water, and well water.$1328 Get Fast, Free Shipping with Amazon Prime FREE Returns Item Package Quantity: 1 Includes Original Fixed Height Fill Valve, refill tube, cone washer, coupling nut, and installation instructionsGet free shipping on qualified Dual Flush Toilet Flush Valves products or Buy Online Pick Up in Store today in the Plumbing Department.400A Universal Toilet Fill Dual Flush Valve (Contractor 3-Pack) Compare. Exclusive. Expert Installation Available $ 4. 58 (508) Everbilt. May 10, 2021 · Item numbers 12293, 98923, 773675, 2483278, 1170083, 1170084. Also compatible with discontinued models 312795, 352027, 395280 (name and model number will be displayed on the box). ONLY for Single Flush 1.28gpf models with a flush handle on the side or in the front. NOT for toilets with a push button flush on top of the toilet Amazon.com: Aquasource Toilet Parts 1-48 of 398 results for "aquasource toilet parts" Results Overall Pick Lowe's AquaSource Original Fill Valve Replacement for 1.28 GPF Toilets (98923, 312795, 352027, 395280, 12293) by Axent WDI 438 $1328 FREE delivery Mon, Oct 23 on $35 of items shipped by Amazon Or fastest delivery Thu, Oct 19Toilet Flush Valves 2-Inch Dual Flush Valve Replacement Kit for 2-Piece Toilet Tank Compatible with TOTO THU435 THU224 Flush Valve. 4.3 out of 5 stars 97. $32.99 $ 32. 99. FREE delivery Thu, Sep 28 . Or fastest delivery Wed, Sep 27 . More Buying Choices $19.61 (2 used & new offers) More results. T Tulead Toilet Push Button Valve …Item numbers 12293, 98923, 773675, 2483278, 1170083, 1170084. Also compatible with discontinued models 312795, 352027, 395280 (name and model number will be displayed on the box). ONLY for Single Flush 1.28gpf models with a flush handle on the side or in the front. NOT for toilets with a push button flush on top of the toilet$1328 Get Fast, Free Shipping with Amazon Prime FREE Returns Item Package Quantity: 1 Includes Original Fixed Height Fill Valve, refill tube, cone washer, coupling nut, and installation instructionsMay 10, 2021 · Item numbers 12293, 98923, 773675, 2483278, 1170083, 1170084. Also compatible with discontinued models 312795, 352027, 395280 (name and model number will be displayed on the box). ONLY for Single Flush 1.28gpf models with a flush handle on the side or in the front. NOT for toilets with a push button flush on top of the toilet Jul 30, 2021 · The most common reason that a toilet is difficult to flush, is a worn out flush valve seal. This vi... This video shows how to fix a ' hard to flush ' toilet. The most common reason that a toilet ... Jan 21, 2023 · However, some common replacement parts that may be needed for an Aquasource toilet include the fill valve, flush valve, flapper, and tank-to-bowl gasket. There are a variety of Aquasource Toilet Replacement Parts that are available to consumers. These parts include, but are not limited to: flappers, fill valves, flush valves, trip levers, and ... The universal design fits most 2 in. flush valve toilets, from 1.28 HET to 3.5 GFP designs. A highly effective design that offers simple and easy installation saving on DIY toilet repair time. Save water and money, while solving common flush and running toilet problems with this 2 in. toilet flapper replacement.DEFLECTAIR B4802-1 Lowe's AquaSource Original Flapper Replacement for 1.28 GPF Toilets (98923, 312795, 352027, 395280, 12293), LASCO 04-2353 Replacement Flush Valve for 1-Piece Toilets with Flapper and Chain, 3-Inch. Fluidmaster 540AKRP5 3-Inch Complete, Adjustable Toilet Flush Valve Repair Kit , Black. Fluidmaster 507AK PerforMAX Universal ... 3PCS Red Toilet Flapper Replacement PVC/Rubber/Plastic With Stainless Chain Rubber Flap Toilet. -30%. $33. $47. White Replacement Kit 2-Piece Water Tank Fittings Water-Saving Toilet Flush Valves Closestool. -23%. $23. $30. Stainless Steel Seat Hinge Flush Toilet Cover Mounting Connector Toilet Lid Hinge Mounting Fittings Replacement Parts.Needless to say, AquaSource is a well renowned manufacturer of kitchen assemble, toilets, and other related household items. The manufacturer offers products that are created from the best quality materials that are likely to offer exceptional performance and last long. As such, the benefits offered by an AquaSource toilet are quite obviously ...High-Speed Valve will fill up your water tank twice as fast as a normal ball and cock water valve. Fill Valve has a 7/8-inch bottom fed water connection. Our patented overflow tube will give your toilet a more powerful flush. If you are tormented by your toilet that leaks and needs at least two flushes. Other causes for an incomplete or weak flush. 3. If you installed a new Fluidmaster Complete Kit or Performance Flapper (model) 502 or want to watch video on adjusting the 502 High Performance flapper (model) 502. 1. Cleaning the rim (feed holes) and jet holes of your toilet. Turn the water supply valve off.January 20, 2023. The AquaSource flush valve is a valve that is used to flush water from a toilet. It is made of plastic and is white in color. It is a two-piece valve that consists of a flush valve and a fill valve. The flush valve is located at the bottom of the toilet and is connected to the water supply. The fill valve is located at the top ...Lowe's AquaSource Original Fill Valve Replacement for 1.28 GPF Toilets (98923, 312795, 352027, 395280, 12293) by Axent WDI $13.28 $ 13 . 28 Get it as soon as Thursday, Oct 19AquaSource®. Toilet Flapper & Replacement Parts. The purpose of the toilet flapper is to regulate the flow of water to the toilet bowl. Invented by Korky in the 1950's, the original toilet flapper is the preferred choice among plumbing pros. With a wide array of flappers, our universal and specific fit flappers are sure to meet the needs of ...Other causes for an incomplete or weak flush. 3. If you installed a new Fluidmaster Complete Kit or Performance Flapper (model) 502 or want to watch video on adjusting the 502 High Performance flapper (model) 502. 1. Cleaning the rim (feed holes) and jet holes of your toilet. Turn the water supply valve off.Toilet Flush Valves Push Button Fill Valve Toilet Cistern Flush Push Button Valve for Toilet Tanks Cistern Syphon Bathroom Blue+White, G1/2(Plastic) 3.6 out of 5 stars 70. $10.91 $ 10. 91. Typical: $29.99 $29.99. Buy 2, save 3%. FREE delivery Aug 22 - Sep 7 . Or fastest delivery Aug 14 - 17 . Korky 528MP QuietFILL Platinum Fill Valve-Fits Most …AquaSource Toilet Repair Kit with Hi-Speed Toilet Fill Valve and 6 Overflow Extension Tubes Mini Fill Valve with 7/8-inch bottom fed water connection 6 Toilet Overflow extension Tube Get the most water in your tank for a stronger flush!1 of R&T A2422M 3" Dual Flush Valve with Push Button Dual Flush Toilet Repair Kit Toilet Tank Parts Replacement for 2-piece Toilet. (490) $27.59. 【Enhance Your Toilet's Performance】Fix a leaking toilet with 3" (80 mm) drain outlet and turn into a powerful flushing. Using together with R&T fill valve & tank to bowl gasket and bolts will …A new fill valve can be picked up from any plumbing supplies store and shouldn’t cost more than around $10. What you’ll need: New fill valve; Wrench or pliers; Bucket; Step 1. Remove water from the tank. Once you have the new part ready, turn the water off at the supply valve and then flush the toilet to remove the water from the tank. With a wide array of flappers, our universal and specific fit flappers are sure to meet the needs of your toilet. Korky designs many types of replacement parts to fit AquaSource …Sep 15, 2023 · This is a highly efficient toilet at a reasonable price, according to AquaSource WaterSense reviews. It works using a siphon jet flush, and the flush is gravity-assisted. The toilet will use 1.28 GPF with every flush, which will save you a lot of water in the long run, but still provide a powerful flush. The toilet seat has a round shape, and ... Jun 8, 2023 · Adjusting Dual Flush Toilet; Just like the other toilet, the AquaSource toilet also comes with a dual flush toilet. A dual flush toilet comes with a mechanical valve along with a rubber seal to open water for flowing during the flush. But that rubber seal gets to deteriorate very quickly. Fluidmaster 5403 Water-Saving Long Life Toilet Flapper for 3-Inch Flush Valves, Adjustable Solid Frame Design, Easy Install (Red) DEFLECTAIR B4802-1 Lowe's AquaSource Original Flapper Replacement for 1.28 GPF Toilets (98923, 312795, 352027, 395280, 12293), Add to Cart . Add to Cart . Add to Cart ...To replace the flush valve seal on a Kohler toilet, start by using turning the water shut-off valve to the right to cut the supply to the toilet. Remove the lid from the top of the toilet tank, and drain the tank fully by holding the down t...AquaSource®. Toilet Flapper & Replacement Parts. The purpose of the toilet flapper is to regulate the flow of water to the toilet bowl. Invented by Korky in the 1950's, the original toilet flapper is the preferred choice among plumbing pros. With a wide array of flappers, our universal and specific fit flappers are sure to meet the needs of ... Oct 9, 2023 · The toilet flapper is designed to fit 2-inch toilet flush valves. The overall height of the fill valve is 8.5 inches. This reliable product is available for purchase in 2 shades of white. Material: Plastic, Rubber | Color: White | Product Dimensions: 4 x 7.4 x 13 inches | Item Weight: 11.7 ounces. High-Speed Valve will fill up your water tank twice as fast as a normal ball and cock water valve. Fill Valve has a 7/8-inch bottom fed water connection. Our patented overflow tube will give your toilet a more powerful flush. If you are tormented by your toilet that leaks and needs at least two flushes.Step 2 - check that the toilet flapper is the reason why the toilet is running and leaking. To check whether the old toilet flapper is the problem, carefully take the lid off the cistern (this is an older lever-operated flush pictured below) and ascertain that the flapper is the problem.How To Replace A Toilet Flush Valve - DIY Plumbing - The Expert Plumber - How to fix a running toiletReplacing a flush valve in your toilet is one of the har...Fit’s 3” Dual Flush Valve, 2 -Piece toilets, including Glacier Bay, AquaSource, Project Source and more Superior flushing of solids and liquids Adjust the full or half flush to match factory settings, save water, and restore flush performancePlumbingSupply.com ® offers thousands of toilet repair parts, and as many of our customers have found, we have the largest selection of replacement flappers, fill valves, flush valves, toilet seats, supply kits, flanges, gaskets and rings, tools, tank lids and more - all in one convenient location. Our extensive selection and great prices will ...Adjusting the Water Level. First, turn off the water to the toilet, using the valve behind the toilet tank. Flush the toilet to fully drain the water from the tank so that you can get to the flush mechanism inside. Find the fill float; there should be some sort of clip attaching it to the metal rod piece of the flush mechanism.58mm Toilet Tank Buttons, 2 Pack Flush Valve Dual Push Button Replacement Adjustable, Compatible with Glacier Bay Aquasource TOTO, American Standard, KOHLER, Twfords, Armitage Shanks, Geberit KOHLER 1266856-CP 38m Push Button Actuator Kit Part, 1 Count (Pack of 1), Polished ChromeToilet Flush Valves Push Button Fill Valve Toilet Cistern Flush Push Button Valve for Toilet Tanks Cistern Syphon Bathroom Blue+White, G1/2(Plastic) 3.6 out of 5 stars 70. $10.91 $ 10. 91. Typical: $29.99 $29.99. Buy 2, save 3%. FREE delivery Aug 22 - Sep 7 . Or fastest delivery Aug 14 - 17 . Korky 528MP QuietFILL Platinum Fill Valve-Fits Most …AquaSource toilets are sold by Lowe’s. The AquaSource toilet is an efficient toilet designed to use less water, which can save users more than $90 per year. In 2012, the AquaSource toilet was named one of Consumer Reports’ best buys for $10...Replace Duo Flush onto valve seat and turn on water, check for leaks. 4. Removing the Duo Flush valve from the seat. Gently rock the Duo Flush canister away from the overflow pipe and pull up. 5. Removing the activation box (both newer and older versions of the converter) once it has been snapped onto to the tank lever.Toilet Flapper Valve. The valve and the flapper together are called—not surprisingly—the flapper valve. Tripping the lever simply lifts the rubber flapper off the valve and…whoosh, the water flows into the toilet bowl! A flush valve is 2 1/2 inches in diameter as is the ball-shaped part of the flapper. The flapper hinges onto the vertical overflow …3-In flush valve and 2-in fully glazed trapway provides an excellent flushing operation. Round front bowl fits in compact spaces. Round standard height bowl. WaterSense certified 1.28 GPF single, siphon flush system. Perfect balance of affordability and functionality. Complete kit includes seat, bolt caps, tank, bowl and wax ring. Non ADA compliant One of the most common causes of humming pipes after flushing a toilet is debris trapped in an inlet valve. Water carries small stones, calcium deposits and solder to the valve area which traps them, resulting in the annoying noise.Korky. 2-in Rubber Toilet Flapper. Model # 100PK. • Fits most 2 inch flush valves, including American Standard, Kohler, TOTO and more. • The most universal 2 inch flapper. • Adjusts to fit all tank sizes: 1.28, 1.6, 3.5 and 5 Gallon per flush toilets. Find My Store. for pricing and availability.May 10, 2021 · Item numbers 12293, 98923, 773675, 2483278, 1170083, 1170084. Also compatible with discontinued models 312795, 352027, 395280 (name and model number will be displayed on the box). ONLY for Single Flush 1.28gpf models with a flush handle on the side or in the front. NOT for toilets with a push button flush on top of the toilet Aug 19, 2017 · Replacing a Aquasource toilet fill valve. Got this from Lowes for $7.49 5 yr warranty https://m.lowes.com/pd/Fluidmaster-Un... The Fluidmaster Dual Flush Valve is designed to be an exact replacement dual flush valve for your 3” Flush Valve Toilet. For use with Glacier Bay, AquaSource, Project Source and many more. Dual flush offers maximum performance and optimizes water use. Customize to your specific needs, with adjustable settings for both solids and …Then, turn the seat (C) over. Place seat (C) on bowl (A), aligning the holes of the toilet seat (C) with the holes in the back of the bowl (A). Page 6: Troubleshooting TROUBLESHOOTING Problem Possible Cause Corrective Action Poor flush 1. Shut-off valve is not fully open. 1. Open the valve. 2. Water pressure is low. 2. Increase the pressure. 3. See full list on aquasourcetoilet.com Apr 16, 2021 · Running Water. One of the most common problems with dual flush toilets is water running into the toilet bowl even after the tank is supposed to be completely full. A lot of water can get wasted this way if you don’t notice that it’s leaking. If this keeps happening, check to see if any of the following issues could be the cause. A great toilet gives you plenty of flushing power without wasting water, and these 10 best toilets have a reputation for delivering that kind of efficiency. Other things to consider when toilet shopping include the shape of the bowl, the he...Replacement seal for AquaSource and other dual flush. Fits AquaSource, select American Standard and Glacier Bay, and Mansfield dual flush toilets. Fits AquaSource toilet parts 0400DF, EL205, & T801. Fits American Standard parts 4339, 4348, and 4349. Fits Glacier Bay parts N2316, N2430E, N2420, N2428R-DF, and TL-6900-E. Fits Mansfield parts 178 ... Jan 17, 2023 · However, some common aquasource toilet parts include the fill valve, flush valve, flapper, and overflow tube. You can usually find these parts at your local hardware store or home improvement retailer. There are many different types of Aquasource toilet parts available on the market. Some of the most popular include the tank, bowl, and seat. The AquaSource toilet total replacement fill and flush valve with all installing parts included by NuFlush. This is a High Performance Universal Toilet Fill Valve that offers the best in toilet fill valve replacement.The AquaSource toilet total replacement fill and flush valve with all installing parts included by NuFlush. This is a High Performance Universal Toilet Fill Valve that offers the best in toilet fill valve replacement. This fill valve sets the new standard in performance and features new upgrades for any Toilet Gasket and Nylon Bolts are Included2-piece toilet from the Henshaw collection features a chair height design with an elongated bowl for ultimate comfort and accessibility. Gravity-fed flush technology is quiet and low-maintenance, and the 3-in flush valve provides a powerful flush. Elongated bowl provides added room and greater comfortAquaSource Original toilet fill valve by Lowe’s is a good fit for most AquaSource toilet models and can be installed without needing adjustments. The set includes a fixed-height fill valve, cone washer, refill tube, and coupling nut. This single flush valve is easy to install, and it comes with phenomenal build quality that can withstand ...Fit’s 3” Dual Flush Valve, 2 -Piece toilets, including Glacier Bay, AquaSource, Project Source and more Superior flushing of solids and liquids Adjust the full or half flush to match factory settings, save water, and restore flush performanceDec 3, 2015Product Details. The NCC OPP Toilet Tank Only in White is made from ceramic for durability and features a gravity-fed flush system. The trip lever is located on the front of the tank, perfect for confined spaces. The tank uses only 1.28 gallons of water per flush for water conservation. 1.28 GPF (gal. per flush) 3-in Black Plastic Flush Valve. Model # 540AK. 166. • Fix your leaky tank and restore flush performance with this 3 in flush valve repair kit. • Replaces most any 3 in flush valve - Toto, American Standard and more. • Fast and Easy to Install, helpful toilet tool included. Find My Store. for pricing and availability.AquaSource®. Toilet Flapper & Replacement Parts. The purpose of the toilet flapper is to regulate the flow of water to the toilet bowl. Invented by Korky in the 1950's, the original toilet flapper is the preferred choice among plumbing pros. With a wide array of flappers, our universal and specific fit flappers are sure to meet the needs of ...Page 5: T802. INSTALLATION INSTRUCTIONS 9. Install Seat Place seat (E) on bowl (A), centering the hinges over the holes in the bowl. Open the hinge covers, insert plastic seat bolts (KK) into hinge holes and adjust the toilet seat and lid to find the best assembly position.Zurn. Aquaflush 1.75-in Chrome Brass Universal Fit Flush Valve for Fits Most Fixtures. Model # Z6001-WS1-YB-YC. • 1.0 gpf meets US federal standard for water conservation. • Standard 11-1/2" rough-in and 1-1/4" top spud. • No-leak handle reduces water waste. Find My Store. for pricing and availability. Zurn. The Fluidmaster Dual Flush Valve is designed to be an exact replacement dual flush valve for your 3” Flush Valve Toilet. For use with Glacier Bay, AquaSource, Project Source and many more. Dual flush offers maximum performance and optimizes water use. 6 products in Aquaflush Residential Toilet Flush Valves & Repair Parts Sort & Filter (1) Series Name: Aquaflush Clear All Zurn Aquaflush 3.5-in Chrome Brass Universal Fit Flush Valve for Zurn and Sloan Model # Z6000-WS1-YB-YC • Exposed sweat solder kit • Polished chrome-plated finish cast wall flangeThis is quick video showing how to change the seal on a top flush, dual flush valve. A faulty flush valve seal is the cause of most running toilets and is a...It uses two machine screws and two brass pieces to clamp the flush valve down to the opening in the bottom of the tank. The second screw no longer has a brass piece. Because it’s Aquasource, it’s not an available part anywhere I can find. I’m going to try and have a friend machine me an aluminum replacement piece if I can’t find a new ...Fluidmaster Universal Toilet fill valve and 3-in flapper kit. The Fluidmaster PerforMAX High Performance Toilet Fill Valve and Adjustable 3 in. Flapper Kit is designed to offer the same high performance, and water-saving performance as our other repair kits, but specifically made for newer HET 3 in. flush valve toilets. 58mm Toilet Tank Buttons, 2 Pack Flush Valve Dual Push Button Replacement Adjustable, Compatible with Glacier Bay Aquasource TOTO, American Standard, KOHLER, Twfords, Armitage Shanks, Geberit $12.99 $ 12 . 99B3260 Universal Fill Valve. Replacement toilet bowl fill valves. Universal fill valves, anti-siphon toilet tank fill valve and Lowe's Aquasource compatible flush valves available. 1 of R&T A2422M 3" Dual Flush Valve with Push Button Dual Flush Toilet Repair Kit Toilet Tank Parts Replacement for 2-piece Toilet. (490) $27.59. 【Enhance Your Toilet's Performance】Fix a leaking toilet with 3" (80 mm) drain outlet and turn into a powerful flushing. Using together with R&T fill valve & tank to bowl gasket and bolts will …Part Number: 4033. Fits Mansfield 208, 209, 210 and 211 flush valves. Replaces the both 1.6 (white) and 3.5 (black, How To Replace A Toilet Flush Valve - DIY Plumbing - The Expert Plumber - H, Amazon.com: Aquasource Toilet Parts 1-48 of 398 results, Product Details. The HydroRight Dual Flush Valve quickly and easily con, Korky. 2-in Rubber Toilet Flapper. Model # 100PK. • Fits most, AquaSource DRP ELONGATED CH DUAL TANK/BOWL. Item # 274044 |. Model # T801., January 20, 2023. The AquaSource flush valve is a valve that is used, Kode Pos Kampung Kelor : 15520. Kodepos Desa/Kelurahan Kampung, This fill and flush repair kit also features the PerforMAX toilet fil, One of the most common causes of humming pipes after flushing , Shop Korky Flush Valve Seal 3-in Red Rubber Flush Valve Seal, DUAL FLUSH SEAL KIT: Quickly fix running and leakin, Then, turn the seat (C) over. Place seat (C) on bowl (A), a, There are a variety of Aquasource Toilet Replacement Parts that, , Adjusting the Water Level. First, turn off the water , When it comes to choosing the right toilet bowl for , Jun 19, 2013 · Replacing your canister type dual flush valve fo.