Water coming into your home is measured in pounds per square inch of pressure. On average, it ranges from 35 to 100 PSI. Quite a spread. The happy medium is between 40 and 50. When it is very low, faucets trickle, showers dribble and some appliances, like water heaters and icemakers, don't function properly, or at all. When it's very high, you might hear pipes bang. And lines can burst and flood your home. That's where a global valve comes into play. It regulates water pressure, and can be stepped up or down to acceptable levels, as needed. You can check water pressure yourself with a gauge that screws on an outside faucet. It's available at most hardware centers. Or, have it checked by a plumber. If you've got any of the symptoms mentioned earlier, water pressure and a global-valve adjustment might be the answer. Give it a try. Then hop in the shower for a test-drive, you might be pleasantly surprised. And that's the On The House tip for today.