Watts 0590712 Air Vent SPST Normally Closed Contacts: Provides

SPST Normally Closed Contacts: Provides a straightforward NC limit switch interface for rapid diagnostic testing during service calls

ensuring zero-slip mechanical connections

OEM Compatibility: Designed for a drop-in fit for numerous Amana and Goodman furnace models

If the internal plenum temperature reaches 180°F

technicians often pair this with the Watts 70A-RK repair kit

Watts 0590712 Air Vent SPST Normally Closed Contacts: ProvidesThe 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,