Bulk Reef Supply

Air Filled Pressure Gauge 1-100 PSI

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Sufficient PSI is very important for the correct operation of a reverse osmosis unit. Low water pressure is a leading cause of poor RO system performance. A pressure gauge assures that proper pressure is being supplied. It will also make pressure drops apparent which can tell you that sediment and carbon blocks need to be changed.


This air-filled pressure gauge comes assembled with 1/4" quick connect fittings for quick easy installation in-line before the RO membrane. This product is designed for use with our saltwater aquarium line of RO systems.


Pressure Gauge Installation Instructions

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Product Questions

Just got the air filled pressure gauge for my 75 gpd economy rodi unit. I'm not sure where to place it???
Can you help? I'm thinking it should be connected on top of the unit where the red line comes out of the DI cartridge maybe?

Question by: Michelle on Dec 6, 2013, 6:43 PM
Hi Michelle,
The pressure gauge goes on the line between the last carbon block and the membrane (Which is a red line). Simply cut the tube and insert the pressure gauge tee.
Answer by: Bulk Reef Supply on Dec 6, 2013, 6:43 PM