1

If you turn the cold water on full blast, it flows for 2-3 seconds at full, then drops off to a trickle thereafter. The hot side does not have the same issue. This began happening a few months ago, with no other issues, or changes to the plumbing.

What could be the issue?

Thanks!

  • Was this a sudden change or have you noticed this gradually over time? Are you in a cold climate? – DA01 Feb 16 '15 at 19:52
  • What type of plumbing do you have (copper, plastic, galvanized, etc.)? – Tester101 Feb 16 '15 at 21:26
3

A nearly-full-clogged cold water pipe. Pressure builds in time after the clog (giving the initial full blast) but it cannot sustain the flow (dropping to a trickle).

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