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I have a overflow? pipe near the kitchen drain on the outside of the house that's been leaking as of late, and I'm curious if anyone knows what the pipe is, what it does, and how to fix the issue?

Notes about my house: Heater is in the garage, kitchen is like 20 ft from there. AC is the other side of the house. enter image description here

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    Is there a basement? Can you get to the inside near that? It looks like a vinyl tubing outlet from a condensate pump, which is often used in utility rooms for water from A/C coils, condensate from boiler exhaust, etc. – Tim B Dec 15 '17 at 21:06
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Even though the water heater is some distance away it is still the most likely candidate for the source of this overflow pipe. I would replace the pop-off valve on the water heater. See if things change.

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    I doubt this vinyl tubing is the discharge point for the hot water heaters Temperature & Pressure (T&P) Relief Valve. – Tyson Dec 15 '17 at 23:49
  • Agree with @Tyson. That kind of discharge shouldn't run very far from the heater and also should be copper pipe. – Greg Nickoloff Jul 12 '18 at 17:10
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    @gregory nickoloff, Depending on the age of the home galvanized pipe used to be more common. I would trip the T&P valve to see if this is the source before just replacing it. – Ed Beal Oct 28 '18 at 11:48

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