Is this for the membrane or tank?

I have 3 of these on my RO system. 1 to measure pressure before the membrane, 1 after the membrane and 1 on the tank. They can be used where ever you need to know water pressure. These will have an air bubble visible through the glass, it's normal and relieves pressure in the gauge, so don't be concerned with the air bubble.

Where should this be installed? Input to ro system or output from tank?

TJK... There are varying thoughts on this subject. My research has led me to install the gauge directly after the third stage of my 7 stage "Aquasafe aquarium II". I think as long as you install the gauge after your pre-filters will give you the true reading of the pressure in your unit. The bottom line is how much pressure is going into your RO canister. The RO membrane is the only part of the unit that works more efficiently with pressures above 40 psi. (50-60 psi). I hope this helps. NOTE most manufacturers have tutorials on their web site.

What does this do? Does it tell you if you have a busted bladder in the tank, hence no pressure?

no its to monitor the water presure coming in out of the filters this way you can tell if filters need changing.. as far as the bladder in the tank being busted you really don't need a guage for that if that occurs you would be able to tell because there would be water coming out of the valve that you use to put air in it

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DIGITEN Water Pressure Gauge Meter 0-1.6MPa 0-220psi 1/4" f Reverse Osmosis System Pump¡

Product ID: 253416962

Details

Brand
DIGITEN
Material
Stainless
Number of Items
1
Thread type
1/4" NPT
Unit count
1 Count

📏0-1.6MPa / 0-220psi pressure range

🔩1/4" quick connect fitting

🛡️Durable stainless steel gauge

R655

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Description

💧 Stay ahead of your water pressure game with DIGITEN precision!

TRUSTED BY PROS DI YERS - Ranked #7 in Plumbing Testing Equipment with 4.5-star reliability.
QUICK CONNECT CONVENIENCE - Effortlessly install with a 1/4" PE connector—no tools, no hassle.
ESSENTIAL RO SYSTEM GUARDIAN - Detect pressure drops early to prevent membrane damage and costly repairs.
ROBUST STAINLESS STEEL BUILD - Engineered for longevity and corrosion resistance in demanding water environments.
PRECISION PRESSURE MONITORING - Accurately track your RO system’s water pressure from 0 to 220 psi for optimal performance.

The DIGITEN Water Pressure Gauge Meter offers precise pressure readings from 0 to 1.6MPa (0-220psi) with a durable stainless steel gauge and easy 1/4" quick connect fitting. Designed specifically for reverse osmosis systems, it helps monitor and maintain optimal water pressure to ensure system longevity and performance.

Specifications

ASIN	B00VUXD7ZG
Best Sellers Rank	#6,818 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Plumbing Testing Equipment
Brand	DIGITEN
Brand Name	DIGITEN
Customer Reviews	4.5 out of 5 stars 836 Reviews
Manufacturer	DIGITEN
Material	Stainless Steel
Material Type	Stainless Steel
Number of Items	1
Number of Packs	1
Part Number	ROCON-24
Thread Style	1/4" NPT
Thread type	1/4" NPT
UPC	713458679703
Unit Count	1 Count
Unit count	1 Count

Reviews

E**J

Super value for high-quality meter

We use several of these in our Reverse Osmosis system so that we know the pressure going in and out of the unit as well as the reserve tanks and icemaker in our home. These little gauges couldn't be simpler to install, and come with all the 1/4 john guest connectors to add it directly inline. Be sure to use teflon tape between the metal and plastic screw connection or you'll definitely experience a leak.

21.07.2023

M**L

Good

Great gauge, non fluctuating hand which works well for my RO system

15.03.2025

J**.

perfecto para medir la presión en mi equipo de osmosis

Me ha servido a la perfección para mi equipo de osmosis, además de que su montaje es fácil y trae piezas que pueden ayudar a su montaje.

10.07.2019

い**わ

手ごろな値段で水圧管理機材が手に入る

調圧弁が壊れているかもしれない簡易水道の水圧測定用に買いました。水道屋さんが使う専用の機材は高価ですが、必要な機材が手ごろな値段で買えたので良かったです。

24.07.2026

A**E

Di facile lettura

Prodotto compatibile con tutti gli impianti di osmosi ma prima dell'acquisto verificare la potenza della pompa booster

18.04.2020

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R655

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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DIGITEN Water Pressure Gauge Meter 0-1.6MPa 0-220psi 1/4" f Reverse Osmosis System Pump¡­

Details

Details

Description

Specifications

Reviews

Common Questions

DIGITEN Water Pressure Gauge Meter 0-1.6MPa 0-220psi 1/4" f Reverse Osmosis System Pump¡