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External equalization is required when a refrigerant distributor is used or if there is a significant pressure drop through the evaporator
Where should the 900409P be installed in the system
Is a separate enclosure required
Auto-Reset Functionality: Eliminates downtime by automatically restoring circuit continuity once gas pressure returns to calibrated setpoints
Fenwal 35-615221-001 Ignition Module 319847-401 External equalization is required whenThe Fenwal 35 615221 001 Ignition Module is a robust 24V Direct Spark Ignition (DSI) control engineered for precision in commercial and residential heating applications. Designed for single electrode or dual electrode sensing, this DSI gas ignition control manages the gas valve and main burner spark ignition while providing continuous flame rectification monitoring. Technically, the module is configured with a 30 second pre purge to clear the
