Installing a Reverse Osmosis Pressure Gauge - BRStv How-To

July 3rd, 2017
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Reverse osmosis relies on pressure to push a liquid through a permeable membrane and adding a pressure gauge to your RO system can give you valuable insight to how it is running. There are a lot of locations that the pressure gauge can be installed, and we normally suggest installing it after any sediment filters and carbon blocks your system may have and just before the first membrane. That location will allow you to monitor the pressure that is feeding your membrane, and also when your pre-filters start to clog.
Installing one on your current reverse osmosis system should only take a few minutes and is a super easy task. Just locate the feed line into your RO membrane housing and connect the gauge inline just before the membrane. After you have the pressure gauge installed and leak tested, monitor the pressure that the gauge is showing, and over time if you ever notice that the pressure has dropped, that is a good sign that one or more of your pre-filters have become clogged and is probably time to replace the pre-filters.
There are many different types of pressure gauges, and we like the glycerin or oil filled pressure gauges since they soak up a lot of vibration to help extend the life of the gauge and not to mention they are usually made of higher quality materials too.
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