knocking pipes

Hi Everyone, We are in a 2 year old house. Every time the water heater turns on we hear loud knockings sound in the attic. We were able to find the pipe causing it - It's the flue pipe coming out of the water heater on the 1st floor and going up to the attic and having the exhaust out. The pipe...

I hope someone can offer some suggestions to fix this, as I'm about to lose my mind. My well pump was replaced mid-April, and after about 10 days, water began sputtering from all faucets and toilet flushing caused a burst of air on refill, with subsequent LOUD knocking and jerking. Well...

Hello, while my water is running and for a time after I turn it off my pipes knock quite a lot (sometimes even just in the middle of the night). I'm wondering if it's the PRV because the downstream water pressure is set to 60 and will go to that after I turn the water off but will rise back to...

Have extremely high iron content in well. Have to replace pipes from shallow jet pump to water softener every 5 years do to iron build up. Replaced lines last June and replaced 20 gal pressure tank with a 42. New tank would not fit in crawl space so I placed in garage about 40 ft from pump...