Chicago Faucets 1920-029KJKCP
The Chicago Faucets 1920-029KJKCP is a genuine OEM Auto-Drain™ Air Vent assembly designed for the 1920 Series thermostatic and pressure-balancing shower systems. This component is an essential part of the vacuum-breaking mechanism that allows the Auto-Drain system to function correctly. By providing a controlled intake of air into the piping when the water is turned off, the air vent breaks the vacuum and allows gravity to pull residual water out through the drain port. Finished in polished chrome (CP), it is engineered to be both a functional safety component and a seamless match for medical and institutional shower trims.
Expert Insight:
The 1920-029KJKCP is effectively the "lungs" of the Auto-Drain system. Without a functional air vent, the water in the shower hose would stay trapped by vacuum pressure—much like water staying in a straw when you hold your finger over the top. Installation Tip: This vent is typically installed at a high point in the assembly to ensure air can displace the water efficiently. Pro Tip: If you notice your Auto-Drain system is "stuttering" or failing to clear the hose, check the small intake ports on this air vent for mineral scale or soap scum buildup. A blocked vent is the most common reason for a failing drain cycle. Cleaning it with a soft brush and mild descaler usually restores performance, but if the internal check-valve is stuck, a full replacement of the 029KJKCP is required. Need to confirm the layout for your 1920-VONF valve? Call the experts at ProDryers at 888-503-7937!
