Armstrong International B4481 Valve Assembly 321042-401 While dimensions may appear similar

While dimensions may appear similar to other units

If a furnace or air handler fails to initiate the startup sequence even with the thermostat calling for heat

This specific model features a high-limit 406 PSI open threshold and an automatic 300 PSI close reset point

a different auxiliary kit is required

Armstrong International B4481 Valve Assembly 321042-401 While dimensions may appear similarThe Armstrong International B4481 Valve Assembly is a specialized OEM humidifier replacement part designed for high performance moisture control in commercial and industrial settings. This fill valve assembly less flow washer is engineered specifically for use in EHU 704 and EHU 602 electronic steam humidifiers, ensuring precise water level management within the steam generator tank. By facilitating the controlled entry of tap water to the electrodes,