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Pressure Gauges

Calculated at checkout

Product Description

Buy pressure gauges as stand alone items or as part of a kit.  Dry pressure gauges are constructed of black painted steel with a 2" glass window, and have 1/8" MNPT on the center back. Gauge reads 0 to 100 psi in 2 psi increments.  Liquid-filled gauges are stainless steel with a 2.5" acrylic window with 1/4" MNPT on the center back or bottom.  Wet gauges read to 0 to 100 psi in 2 psi increments; 0 to 150 psi in 5 psi increments; or 0 to 300 psi in 20 psi increments.  Liquid-filled gauges are more durable, and are recommended if a booster pump is used.

Pressure gauge kits include a fitting to screw onto the gauge threads, 12" of 1/4" tubing, and a 1/4" quick connect tee. 

Pictures shown above are representative only.

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Product Reviews

  1. Nice Gauge, good price. 5 Star Review

    Posted by on 18th Aug 2023

    Gauge we received is very good quality for the price

  2. Economic pressure monitoring 5 Star Review

    Posted by on 10th Jun 2019

    I've used a couple of these dry gauge kits on my RO system to enable me to monitor the pressure drop across the bank of pre-filters in my system. Since sediment filters actually filter better when they have picked up some sediment, I only replace sediment filters when they are producing a significant pressure drop when the unit is producing RO water. When the auto shutoff valve is closed on the RO system, the gauges do report the same pressure (from the water main). That is a good check that they are in good condition. If your water supply is relatively sediment free, you may never have to replace your sediment filters.

  3. Nice gauge 4 Star Review

    Posted by on 1st Mar 2018

    Installed the liquid filled back-attach valve along with the 6800 pump, pressure switch and solenoid to boost my 35-55 well pump pressure up to the ~80 psi that gets my RO system performance to its rated maximum. Gauge installation was easy and aside from the air bubble being right about where 80 psi is indicated it works great.

  4. Nice selection 5 Star Review

    Posted by on 23rd Apr 2014

    You have a few options which valve to go with. I highly recommend the Liquid Filled. If you don't have a Booster Pump, you can get away with the Dry; but if you ever add a Booster, you're going to want the Liquid Filled anyway.

    I have three gauges on my set up. One before my prefilters, one after, and one after the booster pump.

    You can measure the performance of your prefilters using the gauge before and after to check for pressure drops. If your supply water runs at constant pressure, you won't really need the first gauge; my supply pressure constantly swings as much as 25 PSI throughout the day, so it made sense for me to add it.

    Please note that using pressure gauges to check filters will only check for obstructions/dirty filters; it does not serve to check if your carbon has met its chlorine capacity.

  5. Functional 5 Star Review

    Posted by on 25th Feb 2014

    Gauge comes with everything you need to hook up to your existing filter. Simple to connect and get a reading. I really liked the orange hose it cam with to make it easier to trace hoses in the future. At least I know my orange line is for the pressure gauge!


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