It is a truth universally acknowledged, that a family in possession of a good house, must be in want of amateur plumbing. It’s generally just a bad idea to have amateurs work on your plumbing issues, and even worse to try to do them on your own. Yes, there are a few small fixes you can handle yourself, such as cleaning the aerator in a faucet when it gets jammed up with silt, or using a basic sink plunger to clear out a clog.
So take this as our basic caution against trying any “do-it-yourself” magic on your plumbing. But in particular, leave the four following troubles to a certified plumber in Concord, MA.