Replacement water filters, RO reverse osmosis membranes and whole house filter systems. Refrigerator water filters, pool and spa filter. Pentek, OMNIFILTER water filters. Chiller Daddy water chillers

Search
Cart ()
Order Tracking
Reorder
Toggle Nav
Home
Replacement Water Filters
Reverse Osmosis Systems
Whole House Water Filters
Refrigerator Water Filters
Water Testing
Pool and Spa Filters
Boat & RV Water Filters
Parts Department
Water Chillers
Installation and Trouble Shooting Guide
Specialty Water Filters
Well Water
Gift Guide
Toggle Nav
Cart ()
Order Tracking
Search
Advanced Search
Menu
Menu
Account

Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

LOW PRICES and FAST SHIPPING SINCE 1999 !

99.5% Of All Items In Stock For Same Day Shipping!

Meters Gauges Reverse Osmosis

Meters Gauges Reverse Osmosis

Meters to measure water pressure PSI on standard Reverse Osmosis systems, air pressure on the RO accumulator tanks and gallonage flow meters.
  1. Goes Green Replacement Pressure Gauge for Stainless Steel RO System
    Goes Green Replacement Pressure Gauge for Stainless Steel RO System
    SS-RO-215 Replacement Pressure Gauge. Learn More
    $29.99 Special Price $19.99
    Add to Wish List Add to Compare
  2. PRESSURE GAUGE- (2.5'' Dry 0-100 PSI BS PR Gauge- 1000
    Water Pressure Gauge - 2.5" Dry 0-100 PSI BS PR Gauge for drinking water systems

    Water Pressure Gauge - 2.5" Dry 0-100 PSI BS PR Gauge for drinking water systems

    Learn More
    $29.99 Special Price $17.95 As low as $15.75
    Add to Wish List Add to Compare
  3. Our water tank meter kit for reverse osmosis systems will help you keep an eye on your system pressure
    Tank water pressure meter kit for reverse osmosis system
    Tank pressure meter kit for reverse osmosis system. SG-100 2 1/2" dry meter. Range 0-100 PSI. Includes Tee and hex nipple for tank valve installation. Tank shut off valve optional. Easy installation. Learn More
    $32.99 Special Price $19.99 As low as $17.99
    Add to Wish List Add to Compare
  4. Reverse Osmosis membrane water pressure meter kit
    Reverse Osmosis membrane water pressure meter kit
    Reverse Osmosis membrane pressure meter kit - Add this kit to your standard reverse osmosis system membrane housing to determine the incoming water pressure that is being applied to the RO membrane. This is a great way to monitor the pressure on the membrane. Easy installation. Learn More
    $32.99 Special Price $19.99 As low as $17.99
    Add to Wish List Add to Compare
  5. Gallonage Meter - 100 - 1,800 Adjustable Gallon Auto Shut Off Valve
    Gallonage Meter - 100 - 1,800 Adjustable Gallon Auto Shut Off Valve
    Gallonage Meter - 100 - 1,800 Gallon Auto Shut Off - Variable setting up to 1,800 gallons. Once the setting is reached the valve closes and won't allow more water to flow. Great way to let you know when your filters have reached their maximum life and they are due to be changed. Comes with 1/4" Jaco Tube connectors. #WM-2000-W Easy installation and use. Learn More
    $34.99 Special Price $23.99 As low as $19.99
    Add to Wish List Add to Compare
  6. Air Pressure Gauge for Reverse Osmosis Water Accumulator Tanks -1000
    Air pressure gauge for reverse osmosis water accumulator tanks
    Air pressure gauge for reverse osmosis water accumulator tanks - Specially calibrated for reverse osmosis system tanks. Scale from 1 to 20 PSI. Large scale reading over small PSI range allows optimum accuracy. Just like car tires lose air pressure, so does the bladder of your reverse osmosis water accumulator tank. Improper tank air pressure will cause your system to operate improperly. This is a must for all reverse osmosis system owners. Learn More
    $24.99 Special Price $17.99 As low as $12.99
    Add to Wish List Add to Compare
TDS Meters - Total Dissolved Solids
TDS Meters - Total Dissolved ...

Learn more about using TDS meters and total dissolved solids. See TDS meters in our huge selection. Low prices and fast shipping online since 1999. Millions sold.

More
Precipitators for water testing and demonstrations
Precipitators for water ...

Precipitators for water testing and demonstations

More
Parts Department
Parts Department

Replacement water faucets, water pumps, tanks, UV, drain saddles, o-rings, wrenches, valves, water accumulator tanks, fittings, TDS meters, water filters, reverse osmosis membrane sparts for reverse osmosis and pure water drinking systems. Buy online.

More
Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.

SEE OUR ONLINE HELP GUIDE

Compare Products
  1. Remove This Item
Compare
Clear All
You have no items to compare.
My Cart

  1. ​

Filter Change Email Reminder

My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.