Pura O Rings
Getting the right o ring for a Pura UV unit isn’t always simple. The chart below is designed to help.
All o rings listed can be found here.
|Pura Unit Description||Built Prior to Fall 2009||Built after Fall 2009|
|UVBB (See Note Below.)||OR020 (See note below.)||OR026 (See note below.)|
There is one exception. There is an intermediate BB unit built between Fall 2009 and Jan. 2012. It uses a unique o ring: OR017.