There are many reasons for water pressure issues in a home.
Some of these issues are annoyances rather than serious problems.
There are some situations, like losing pressure when a toilet is flushed, that could cause annoyances in a home, especially if it’s a two family home.
It’s a good idea to have a professional plumber come to your home and do an assessment.
One problem might be that the water heater dip tube needs to be replaced. This is easy enough to do, but you need to know the right dip tube to get and the correct material.
Some older water heaters used a plastic like material that were eventually replaced with copper dip tubes. The plastic ones seemed to disintegrate at a high rate of speed.
There are other reasons for water pressure issues. By hiring an experienced plumber, you can rest assured that the problem will be determined and fixed professionally.