Timeline for Why does my water hammer arrestor ask for 5psi less than house pressure and not 10 psi or 20 psi?
Current License: CC BY-SA 4.0
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| Mar 8, 2021 at 16:28 | comment | added | Ed Beal | The 5 psi is a general rule of thumb for pressure tanks. Using a slightly different pressure may improve your results it’s not hard to try. If a answer is helpful we get our thanks from up votes and or accepting the answer the check mark. Accepted answers help others with a similar question find the accepted answer. | |
| Mar 8, 2021 at 16:22 | comment | added | Anthony | Thanks, the bicycle tire analogy makes sense as I ride different types of bikes and have inflated or deflated my tires based on conditions. If my water pressure was 125 psi and I set the valve to 120 psi, that's a 4% decrease. If my water pressure is 35 psi and I reduce it to 30, we're looking at ~14% decrease. If 14% less pressure is effective at 35 psi, why wouldn't 14% be effective at 125 psi? I would think it would allow more room to absorb the hammer, but I'm sure there's an equation used to calculate this. | |
| Mar 8, 2021 at 15:26 | history | edited | FreeMan | CC BY-SA 4.0 |
added 6 characters in body
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| Mar 8, 2021 at 15:13 | history | answered | Ed Beal | CC BY-SA 4.0 |