Aprilaire 4983 Drain Valve Els PW 17895 Rigorous Factory Testing: Each unit

Rigorous Factory Testing: Each unit is pre-tested to minimize infant mortality rates and ensure field reliability

designed to provide a secure

or UBZ series heaters will likely experience nuisance lockout codes or failed ignition sequences as the standard switch fails to close

Common field symptoms include the furnace burners shutting off prematurely (short-cycling) or the blower fan running continuously while the heat remains off

The synchronous motor and magnetic clutch design ensure a consistent 90 lb force for a tight close-off of 21 psi

Aprilaire 4983 Drain Valve Els PW 17895 Rigorous Factory Testing: Each unitThe Aprilaire 4983 Drain Valve is a critical OEM replacement part engineered specifically for high performance Aprilaire Model 800 series steam humidifiers, including models 800, 865, and 866. This precision built component is essential for managing humidifier water drainage, ensuring that sediment and mineral rich water are efficiently evacuated from the steam canister. By maintaining regular flush cycles, the Aprilaire 4983 prevents mineral buildup