QHPBV Series Powervent Automatically Eliminates Air and Micro-Bubbles from Hydronic Heating and Cooling Systems without Bleeding - Threaded Connections
For use in heating, cooling, and domestic water systems, eliminates all air and micro bubbles
Dynamic concentrator has 3 times more venting power than static devices
Helps prevent corrosion of system by air elimination
Comes with 1/2" bottom connection for expansion tank