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How to Change a Flomasta Bottom-Entry Flush Valve on a Toilet

If you have ever experienced the dreaded toilet overflow, chances are you know how inconvenient and messy it can be. And if it’s an emergency and your plumber is out of reach, you may find yourself in need of knowing how to change a bottom-entry flush valve on a toilet. Fortunately, the process isn’t as daunting as it may seem and we’ve outlined the steps below for your convenience.





First things first, make sure you have all the materials needed for the job. This includes a replacement Flomasta bottom-entry flush valve, which can be found at most plumbing supply stores. You should also have a pair of adjustable pliers, some silicone sealant, a screwdriver, and two standard washers that fit with the new valve.


Replacing The Old Valve

The first step is to turn off the water supply to the toilet. You can do this by turning off the stopcock situated underneath the cistern or behind it if you have any difficulty locating it. Once done, take off the lid and remove both cisterns from their respective brackets so they are easier to access. Now disconnect any pipes leading into the old flush valve before unscrewing it from its position using your adjustable pliers. Then attach your new Flomasta bottom-entry flush valve in place with two washers either side of it – one at each end - using your screwdriver to tighten them up until secure. Finally apply some silicone sealant around where each of these washers meet before reattaching both cisterns onto their respective brackets.


Testing Your Work

Now that everything has been put back together properly, test out your work by turning on the stopcock again and flushing your toilet multiple times until satisfied that everything is running smoothly again! If there are still any problems then get in touch with an Emergency Plumber Stoke straight away!


Changing a bottom-entry flush valve on a toilet doesn't have to be complicated or stressful—as long as you have all necessary supplies on hand and follow our instructions closely! With just an afternoon's worth of time and effort invested in following our advice above (and maybe even getting an emergency plumber like Emergency Plumber Stoke involved if anything goes wrong) you'll be able to get your toilet back up and running like normal again in no time! Good luck!

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