Why is my toilet knocking?
Why is my toilet knocking? The knocking sound you hear is actually a water pressure spike. Know that your toilet has valves that operate manually when you flush it, in which the water fill valve opens to let water into the tank to replace the outgoing water. As a result, you will hear it more often, not only when you flush. What causes hammering in hot water pipes? A water hammer happens when a valve in the water supply system is turned off suddenly. That causes the water that was passing through to crash into the valve, which shakes the...