Watts 0590722 Air Vent By maintaining a clean air

By maintaining a clean air supply

Industrial Durability: Rugged cadmium-plated finish resists oxidation in high-humidity mechanical environments

This kit is specifically designed for non-condensing

Multi-Positional Mounting: Can be installed in various orientations without compromising performance (upright preferred)

or the accumulation of sediment near the opening can compromise the seal over time

Watts 0590722 Air Vent By maintaining a clean airThe Watts 0590722, also identified as the FV 4M1 1 2, is a high performance automatic air vent designed for reliable air elimination in closed hydronic heating systems. Engineered with a heavy duty brass body and cover, this valve facilitates the continuous purging of air from hot or cold water distribution lines, preventing air locks and system noise. Featuring a 1 2 inch male NPT connection, it is rated for a maximum pressure of 150 psi (10 bar) and