What is a bleed-off? 

 

Bleed-off-21-187x250All PMI coolers come equipped with a bleed off tee and tube. The purpose of a bleed-off is to continuously eliminate a small quantity of water from recirculation, allowing fresh water to enter the reservoir to reduce scale build-up and dilute mineral concentrations. To determine the flow rate that is right for your cooler, refer to the Owner’s Manual that is appropriate for your model.