Welcome to J. Racenstein Company, LLC  (201) 809-7500  |   Help Center  |  Catalogs  |  About Us

DIY RODI Components Build your Own RODI Water Purification

Showing 1 to 24 of
31 results

All DIY RODI Components Build your Own RODI Water Purification Products

Pure Water is created by removing the sediments and total dissolved solids (TDS) from the water. The process of making pure water involves a chemical and electrical process.

40in filters offer the best flow and service life, the products offered here provide excelent water qualight and lomg service life.

  • 40in Carbon Filter - 80,000 gallons - Change once per year when used regularly, minimum every 2 years for lightly uses systems.
  • 40in RO Industry Standard Membrane provides greater than 1gpm flow and with the proper startup and end of job procedure followed will last 5 to 7 years.
  • 40In DI offers an industry leading amount DI Resin, with a long service interval, change when the water output rises above 10tds on your meter.

RODI System Plumbing Example

Installation Example

In this case there are Two RO Membranes running in parallel to produce more water. The DI Housing is located elsewhere in the Van.



The number one reason why RO membranes fail in the field is the carbon filter dies quickly and is not replaced.

A Regular Carbon Filter replacement and Service interval is important for that.

Which is why our H2Pro and this Build your own System store page offer Carbon Filters with a 1 to 2 year service life.

The small Carbon filter on most system needs to be replaced every 6 to 8 weeks,

The maintenance is not costly as the filters are inexpensive, but very expensive if the maintenance is forgotten, and the Carbon filter is not replaced as once dead it takes a couple of months for the RO to fail and you are now buying a new RO because of that small filter.