Toilet flaps are easy to change , just bend the ears around the handles and undo the chain to the flush handle then install a new one the same way. If you want to change the plastic or brass over flow tube assembly then it can be a little difficult. 1 shut off the toilet stop. 2 flush the toilet and hold the flush valve open so it drains most of the water. 3 unscrew the toilet supply nut ( water will spill out from inside the ballcock). 4 vacuum out the tank so its dry and then unscrew the 2 or 3 tank bolts . 5 pull the tank then unscrew the big nut on the over flow. 6 put a bead of silicon on your new toilet over flow rubber gasket then install it and tighten the nut, then do all the steps backwards and when you put your toilet tank bolts back in just for safety put a bead of silicon on your toilet tank bolt rubber washers and you shouldn't have any problems with any leaks.
Cut off the toilet water supply somewhere. Remove old flapper and go obtain a close cousin. Put it back in the same location. Cut on the water then test your workmanship.
Keeps the water in the tank until you flush.
On the seat of the Douglas valve
That is the 'flapper valve' in the bottom of most toilet tanks. This valve is pulled up when you flush, admitting water into the bowl.
Just replace the ballcock valve..
A defective flush valve causes the leak in toilets. A flush valve is a flap or ball plunger device that is supposed to act as a stopper in the bottom of the toilet tank. So to fix your toilet and save water, get any professional plumber to repair the valve or complete replacement kit . alliedallcityinc.com
Refill valve is a very important component in your toilet since it fills the tank of the toilet after every flush. This valve uses a float to turn the water on and off. This is a plumber related work, only a professional plumber can repair it. alliedallcityinc.com
replace the fill valve
Diaphram? I'm not sure what part you are talking about. Normally replace the fill valve with a Fluidmaster 400a, new supply line, and the flapper with the proper one for your toilet.
A little doorlike flap is the valve.
Take off the back of the toilet. Look down to the bottom and you'll see a flap that is raised when you flush it. That flap is leaking. IF the toilet is old I strongly recommend the Gerber viper toilet. Inexpensive and works great.ANS 2 - change the flapper valve - takes about 5 minutes and costs less than $5
Have the new valve in hand. Cut the toilet water supply off at the commode, or even at the street meter box.Remove water tube or pipe supply and old flush valve. Install new valve and new supply line if required.
First check to see if the valve for the water supply is turned on. If that isn't the problem you may need to replace the tank water valve, they do wear out and are not that expensive or difficult to replace.
You would replace a flush valve or 'flapper' when it gets distorted or leaks slowly as they all eventually do. Take it out and go to Home Depot and you will see many better ones than there were when your toilet was made. Average cost $6-10.
Replace the fill valve or throttle down the isolation valve