Dear Melissa: This is a very common problem when your bathtub has the old two-handle (hot and cold) shower valve. When a toilet is flushed or the cold water faucet in the kitchen is opened, the ...

Dear Pat: Whenever one of the kids flushes a toilet while I am showering, the water gets very hot. Would installing a new type of shower valve help, and can you give me some do-it-yourself tips? -- ...

Q: My husband and I are finally remodeling our 1970s bathroom since we plan to age in place in our present home. Since this will be our final remodel, we would like the latest in bathroom technology.

A sudden burst of piping hot (or freezing cold) water is a showering human's worst nightmare. But what's the cause? And how can you prevent it? The DIY experts at Stack Exchange provide a few tips.