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Your cart is empty.Marshall shock-proof pressure gauges have rugged construction and are liquid filled for vibration dampening. Installation: Use wrench on HEX to tighten/loosen. DO NOT tighten/loosen by turning gauge case. Damage to the gauge may occur and warranty will be VOID. Use thread sealant and test connection for leaks. DO NOT operate if a leak is detected. Install gauge so that the nipple plug is facing up. Once installed, cut the nipple on the plug. This allows the case to be vented at all times ensuring an accurate reading without additional venting/cooling. DO NOT cut the nipple if it is not facing up. DO NOT USE in applications where the pressure exceeds the top scale of the gauge or in applications with excessive vibration, pressure pulsation, excessive temperature, or corrosive media.
Ashley Bonner
2025-08-25 14:55:12
Quit working already after just a couple of months.
steven czechowski
2025-07-31 18:49:50
Inaccurate and not calibrated. Reads only 3psi when under 6psi load. Cost me a lot of valuable time. Good thing I took this "NEW" gauge to an instrument shop to verify. Almost bought a new fuel pump. POS
Matthew
2025-07-23 18:54:03
as much as i wished this were a good instrument, its not.. doesn't keep accurate reading. when not in use, the reading shows 5-10 .. junk.
Jamison Hackett
2025-07-10 18:34:59
did not work. bought a cheap Mr Gasket one, and works great
Len
2025-06-25 11:38:57
Did not read correct .Don,t buy.
Ricochet
2025-06-12 15:23:14
Did not read correctly or consistently. Also cost me a lot of time trying figure our why pressure sometimes then other times no pressure. $20 down the tube. Bought a new Russell guage instead.
Richard D.
2025-05-23 15:25:29
This is a nice gauge but it is a little small for ease of reading it. I just installed it but not tested yet so actual functional review will come later.
Ashley Bonner
2025-05-11 16:16:22
Quit working already after just a couple of months.
steven czechowski
2025-05-07 13:47:45
Inaccurate and not calibrated. Reads only 3psi when under 6psi load. Cost me a lot of valuable time. Good thing I took this "NEW" gauge to an instrument shop to verify. Almost bought a new fuel pump. POS
Matthew
2025-04-15 11:50:50
as much as i wished this were a good instrument, its not.. doesn't keep accurate reading. when not in use, the reading shows 5-10 .. junk.
Jamison Hackett
2025-02-16 14:37:03
did not work. bought a cheap Mr Gasket one, and works great
Len
2025-01-16 18:52:55
Did not read correct .Don,t buy.
Ricochet
2025-01-05 14:47:11
Did not read correctly or consistently. Also cost me a lot of time trying figure our why pressure sometimes then other times no pressure. $20 down the tube. Bought a new Russell guage instead.
Richard D.
2025-01-03 12:52:11
This is a nice gauge but it is a little small for ease of reading it. I just installed it but not tested yet so actual functional review will come later.
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