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$11.87
Pressure Gauge for Aquatic RO & Domestic Reverse Osmosis Systems With 1/4" connection by Finerfilters โ€” image 1
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Pressure Gauge for Aquatic RO & Domestic Reverse Osmosis Systems With 1/4" connection by Finerfilters

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$11.87
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About this item
  • The PSM-1 is a high quality 0-150 psi Pressure gauge suitable for use with Reverse Osmosis (RO) units.
  • The PSM-1 is a high quality 0-150 psi Pressure gauge suitable for use with Reverse Osmosis (RO) units.
  • This gauge comes complete with ? push fit fittings, allowing for easy installation into your existing Reverse Osmosis setup, provided it uses ? tubing.
  • Pressure gauge comes with two fittings: QT-05 ? T piece, with ? stem and two ? push fit. QT-15 ? Female ? straight to ? push fit.
  • Diameter of gauge is 53mm. Depth of gauge is 27mm. Connector at base of gauge is brass.
  • Range: 0-10 bar / 0-150 PSI. Please note ? the pressure gauge is best effective installed away from any water pumps i.e on an RO unit after the pre-filters. Otherwise the pulse from the pump will cause the gauge to continually jump and not give an accurate reading.
Product description

The PSM-1 is a high quality 0-150 psi Pressure gauge suitable for use with Reverse Osmosis (RO) units. This gauge comes complete with ? push fit fittings, allowing for easy installation into your existing Reverse Osmosis setup, provided it uses ? tubing. This pressure gauge is essential for monitoring the performance of your RO system. All RO membranes are reliant on a satisfactory supply pressure (minimum 3 bar of pressure but preferably 4 bar). Low water pressure is a leading cause of problems with reverse osmosis units, as low pressure can cause the unit to not work at its optimum potential. Low pressure can lead to low rejection rates, low flow rates and higher TDS readings. The use of a pressure gauge, when using a booster pump, is also recommended in order to ensure the pressure is within the optimum range. This pressure gauge will allow you to monitor your membrane inlet pressure and provide a rough guide to when your pre-filters require replacing. Pressure gauge comes with two fittings: QT-05 ? T piece, with ? stem and two ? push fit. QT-15 ? Female ? straight to ? push fit. Diameter of gauge is 53mm Depth of gauge is 27mm Connector at base of gauge is brass Range: 0-10 bar / 0-150 PSI

Product details
Brand
Finerfilters
Manufacturer
Finerfilters

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10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

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