Q: What causes household plumbing to ‘groan’ when the toilet is flushed?
A: There are several possible causes. First, if the pipes in your walls are old, not insulated or properly secured, then they will move when water runs through them. A loose washer or shutoff valve will also vibrate with the flow of water, causing a groaning sound. Finally, a faulty ballcock, the mechanism that fills your water tank while avoiding overflow, can cause very loud vibrations. As it can make noise throughout the house, you may not immediately be able to determine the cause of the disruption. If you allow your tank to fill and then gently bob the ballcock up and down (it’s located in your toilet tank), you will let varying amounts of water go through the valve and you can discover if it is the source of the groaning noise.
Q: How much water does a running toilet use per flush?
A: A standard toilet will most likely use 5-10 gallons per flush. However, that number greatly increases if you have a leaking toilet or an older model. Newer models use less water, and low flow toilets can use as little as 1.28 gallons per flush. In many cases, it can make financial sense for you to replace older toilets with newer models. Not only will you save money on water but many cities also offer rebates for installing low flow toilets. Legacy Plumbing will replace leaking toiler flappers for free with any other repair.
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