Liebert 128753P1S Valve 321142-301 5" WC depending on the

5" WC depending on the system design

If you are upgrading the motor to a larger shaft size

Ideal for optimizing system efficiency

000 BTU/hr capacity to manage thermal expansion and prevent over-pressurization

Enhanced Safety: The manual reset feature prevents automatic cycling after a high-pressure trip

Liebert 128753P1S Valve 321142-301 5" WC depending on theThe Liebert 128753P1S is a heavy duty, OEM 24V N C fill valve designed specifically for precision environmental control systems and humidifier infrastructure. As a normally closed solenoid valve, it provides reliable water flow regulation, ensuring that humidifier tanks maintain proper levels without risking overflow or dry firing during critical cooling cycles. This replacement fill valve comes complete with factory specified fittings, allowing for a