In this latest installment of Ras Class, our boiler experts break down what water hammer is, why it happens, and how to ...

Q: Every time I turn off the water faucet in my laundry room, it sounds like someone is banging on the wall. Is my house possessed by evil spirits? Please help. The noise is frightening my kids. A: ...

In other words, water hammer arresters are now required -- they are no longer a mere suggestion. You'll most commonly find "quick-acting valves" on dishwashers and clothes washing machines. Also, the ...