Aprilaire 4978 Electrode Wire 326010-701 as poor grounding is a

as poor grounding is a primary cause of flame signal failure

offering a robust aluminum body with dual 1/4" compression coupling pilot taps located to the right of the inlet and dual 1/8"-27 NPT pressure taps for precise field diagnostics

Optimized Airflow: Maintains the exact internal dimensions required for centrifugal fan efficiency and noise reduction

you must verify the bore size (typically 1/2" or 5/8") and the 20-degree pitch to ensure it matches your motor's torque profile

Refractory Durability: OEM-spec refractory material resists thermal shock and high-velocity oil flames

Aprilaire 4978 Electrode Wire 326010-701 as poor grounding is aThe Aprilaire 4978 Electrode Wire is an essential internal component designed specifically for Aprilaire steam humidifiers. This high quality humidifier replacement wire ensures a reliable electrical connection between the power source and the steam canister electrodes. Engineered for high temperature resistance and durability, the Aprilaire 4978 maintains consistent power delivery, which is critical for effective steam humidification. When your