Our downstairs toilet has been making some odd noises lately, kind of like an airplane taking off. 
Listen to this video and see if you can figure out what's making the noise. It kicks in about forty seconds into the tank refill and stops when the tank is full. I've checked the house's plumbing but the only change was the removal of the outside faucet and the toilet sounded fine after that. It's really loud with the tank lid off but could that just be because it's the end of the pipe? Everything works fine, just noisy. I'd hate to replace a functional valve and find out it's not the problem. Any ideas?
I had some trouble hearing the toilet problem because of technical difficulties. However, I'm not a plumber either. Besides my wife says my hearing is going. #1 Is there a stand pipe for your system with a vent through the roof? The purpose of this is to allow sewer gasses to escape upwards away from your house instead of back up through the toilet trap when flushing. Maybe you can tell the air is not from the drain.
ReplyDelete#2 Do you have a pressure valve in your system. Some municipal water systems can't regulate their water pressure accurately. Then a control valve is necessary to regulate this. The evidence of this would often be a pounding sound in pipes expecially hot water pipes. If you already have such a valve, check to see that it is working properly.
#3 The cheapest and easiest problem is a toilet tank valve that needs cleaning or replacement. This is most easily determined by observation of the inside of the tank.
Invite a knowledgeable plumber or relative which ever is cheaper to help with the diagnosis.