A water pressure regulator is a dome-shaped brass fitting generally found just past the main shutoff valve, where the main water line enters the house. It usually has an adjustment screw on top.

Make sure the arrow on the pressure regulator is consistent with the direction of water flow, and tighten the fitting nut. Use a screwdriver or adjustable wrench to turn the adjustment screw.

A quick and easy way to increase water pressure (for homes supplied by a municipal water system) is to adjust the pressure-reducing valve, which can be found on the main water-supply pipe ...

It’s fine for a DIYer to adjust their water pressure regulator. These devices usually have an adjustable diaphragm that the user can tweak with a bolt on top of the unit. Turning the bolt ...