A9739 | Thermostat Air Vent | Armstrong International Length_200mm The damper's compact design allows

The damper's compact design allows for easy integration into tight spaces

Industrial Grade Precision: Jergens PULL DOWEL

50-inch diameter

The transition is made with high-quality materials

Its recessed button design allows for easy gripping and precise adjustments

A9739 | Thermostat Air Vent | Armstrong International Length_200mm The damper's compact design allows**Armstrong International Thermostat Air Vent (A9739)** Armstrong International's A9739 Thermostat Air Vent effectively removes air from hydronic heating systems, preventing air locks and ensuring optimal system performance. It features an adjustable pressure setting, allowing for precise control of air release. Made of durable brass, the vent is built to withstand the harsh conditions of commercial and industrial applications. Its 3 8" female NPT