Armstrong International D41790 Air Vent Els PW 17895 To ensure accurate monitoring

To ensure accurate monitoring

Proper installation requires a calibrated manometer to set the 10" W

The Reznor 97301 Motor Plate is a critical OEM mounting component engineered to provide a rigid

Common indicators include the valve failing to close completely

Armstrong International D41790 Air Vent Els PW 17895 To ensure accurate monitoringThe Armstrong International D41790, also identified as the AV 13 brass air vent, is a specialized automatic air vent designed for hydronic heating systems and hot water service. Featuring a dual connection design with 1 2" female NPT and 3 4" male NPT ports, this float actuated valve effectively manages air binding by purging accumulated air during system operation. Constructed from high grade brass, the unit is rated for operating pressures up to 150