My hot water baseboard system was bleeded two weeks ago when the water flowing noise was heard. Now, every time when heat turn on, there are several big bang noise from the pipes on my second floor. Please tell me what is going on and what I should do? I last week, I changed new expansion...

My kitchen sink makes a noise about every 20 minutes like it has air coming up out of water in the drain. I have run my garbage disposal to make sure it is empty and I have poured boiling hot water down both drains to make sure it is cleared. The water drains out of the sink just fine. This is...

When I get up in the morning, there is a vibrating noise from the pipe entering the house and going to water heater and the rest of the house. It's like a tapping. It happens for a few seconds, then stops, and then it happens again. I never hear it after I come home from work. There is a...

Copper pipe "thump" noise occurs intermittently (approx. every 20 seconds) and diminishes after approx. 2 hours following shutoff of hot water tap in kitchen. The noise is not location specific and is loud for the first hour and a bit. The noise resembles the sound you hear when pipes are...

Recently, we replaced the old galvanized pipe in out home with copper. When the hot-water is turned on in the tub we get a popping/banging sound that is most intense for the first minute or so that the water is running. The intensity of the noise decreases but continues for about 10-15 minutes...