F
Plumbing TermFlapper Valve
/flap-er valv/
The rubber seal in a toilet tank that controls water flow during flushing.
Full Definition
The rubber seal at the bottom of a toilet tank that lifts when you flush, allowing water to flow into the bowl, then closes to let the tank refill.
Common Usage
“When your toilet runs continuously or doesn't flush completely, the flapper valve is often the culprit and one of the easiest DIY fixes.”
Did You Know?
Flapper valves typically last 4-5 years before they deteriorate and start leaking. A leaky flapper can waste up to 200 gallons of water per day, significantly increasing your water bill.