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Is it possible to add a pressure gauge to a tire pump that has no pressure gauge? I was googling for pump hoses with built-in pressure gauge but couldn't find any. I was also looking for pressure gauges that can be attached to either end of the hose of the tire pump but found none.

  • Are you talking about adding one to a compressor line? If so, look for tire chuck with air gauge and I think you'll see what you're looking for. – Pᴀᴜʟsᴛᴇʀ2 Jun 27 '15 at 16:02
  • No, I want to add one to a simple mechanic pump, the kind you can push with your hands or your foot. – Elmer Jun 28 '15 at 12:38
  • There are hand/foot pumps which come with a pressure gauge attached. – Pᴀᴜʟsᴛᴇʀ2 Jun 28 '15 at 12:47
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    Yes, I know, but I'm looking for a way to add a pressure gauge to my old pump rather than getting a new pump. – Elmer Jun 28 '15 at 16:06
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You should be able to add one by adding a t-piece into the high-pressure line and adding a gauge to the T. I'd have hoped that someone would have made a ready-made one that wouldn't involve modifying the pump, but I can't find one, so I think you'd have to make your own.

On that basis, you'd need:

  • a t-piece with the same internal diameter as your pump's air line
  • another bit of hose with the same internal diameter
  • a suitable gauge

Something like this Draper gauge with it's own flexible hose would provide both the latter two, so you'd just need a suitable t-piece (I'm not sure of the correct internal diameter, I'd guess 5 or 6 mm, but don't have anything to hand to measure)

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