Watts 0590712 Air Vent 39-inch offset are manufactured to

39-inch offset are manufactured to tight tolerances for exact motor positioning

maintaining a flush profile against the mounting bracket

It mounts to the back of the inducer motor shaft to provide dedicated airflow over the motor windings

Under normal room temperature conditions

Watts 0590712 Air Vent 39-inch offset are manufactured toThe Watts 0590712, also designated as the HAV 1 8, is a heavy duty automatic air vent designed for high performance air management in hydronic heating systems and low pressure steam applications. Built with a robust 2 piece chromed brass body, this 1 8" NPT straight pattern vent maintains system efficiency by continuously purging trapped air from radiators, baseboards, and convectors. The core of the unit utilizes advanced hygroscopic technology,