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
UV1 OR018 OR015
UVB OR019 OR016
UV20 OR019 OR016
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.