After shutting off the water and draining the plumbings in my house last week for a vacation, I can’t seem to get all of the air out of the lines since I turned it back on. The water pressure is at 40 lbs. now rather than 55 lbs. prior to the shut down. How do I fix this? GW
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IMO opinion, based on basic physics, air in the line shouldn't affect pressure.
Is this on city water or private well?
If well, do you have a bladder tank or single compartment?
Have you bled out the obscure horizontal pipes, such as those to the hose bibs?
Where are reading the pressure you report?
I agree with 4LORN1 -- air in the pipes shouldn't make any difference in pressure.
Yeah... it certainly shouldn't affect pressure. I wonder if there was scale buildup or soemthing else in the piping that was dislodged by the draining and refilling. And it can definitely take a while to bleed out the air after draining pipes. Open all the faucets at once and let everything run a while, then shut them off one at a time.
I ran the faucets when I got home today for about 10 minutes. All of the air is out. I had inadvertantly messed with the house valve up at the street next to the irrigation valve and I had turned the wrong valve to raise the pressure to the irrigation. I never reset the house valve before the trip. Thanks for the input all. GW