What is the maximum pressure, maximum temperature, and/or maximum flow rate for a whole house housing or a whole house water filter?

Each product page has a product manual below the product picture that contains the specifications. The best way to find the maximum pressure, maximum temperature, and/or maximum flow rate for your application is to find the water filter cartridge or housing you need, and then click on the product manual below the picture. The maximum pressure, maximum temperature, and maximum flow rate specifications are listed at the bottom of the product manual.


Can I replace my 10 inch Big Blue sump with a 20 inch Big Blue Sump?

The 10" Big Blue Sump and the 20" Big Blue Sump are interchangeable as long as the housing is not clear. The sumps are interchangeable for the Pentek brand, American Plumber brand, Ametek brand, US Filter brand, and Culligan brand.


What is the red button on top of the filter housing?

The red button is a pressure release button that is used to release pressure before changing the water filter.


What if my pipe is too large to fit the water filter housing that I want?

You may purchase a "reducer bushing" from your local hardware store that will connect your pipe to the water filter housing.