My house hit the 17 year old mark this year and a few things are showing a bit of wear. We just installed a new a/c unit for one. My current concern is with the water pressure. When we turn on a faucet in any of the sinks throughout the house the initial pressure is abnormally high. After a brief second or two it levels off to normal pressures. I am not seeing any pressure drops, just this initial buildup that blasts out of them. You cannot really tell with the showers or toilets. Just the sinks. We are on Jonah Water in Williamson county and we have a septic. Not that that matters. Any ideas on what this could be? I know its not normal and want to get to the bottom of why. Thanks.
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I am not a plumber by any means. Just thinking here... Obviously water expands as its heated. Does your water heater have an expansion tank? Hmmm... I imagine water pressure on the city side of your meter is higher than it is on your side. Is there typically some sort of pressure regulating valve that may be failing? Again, not a plumber just brainstorming... Sorry for the lack of help.Last edited by BlackHogDown; 04-25-2017, 12:52 PM. -
Calcium build up from the hard water in that part of the state is what I am guessing.Comment
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If you are on a private water supply there is probably a back flow preventor in your system somewhere.
As mentioned above, you may have thermal expansion taking place from your water heater and causing the initial spike in pressure.
Adding an expansion tank to the water heater may help or you can just live with it. No real long term effects from this to really worry about other than possibly the T&P relief valve opening up occasionally.
Another simple thing to check is that your water meter shut off valve is open all of the way.Comment
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Any air in the line when initially turning on the sink?Comment
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