Fenwal 35-615221-001 Ignition Module 319847-401 Where should the 900409P be

Where should the 900409P be installed in the system

External equalization is required when a refrigerant distributor is used or if there is a significant pressure drop through the evaporator

and high-ambient heat—factors that typically lead to premature failure in standard electrolytic units

Auto-Reset Functionality: Eliminates downtime by automatically restoring circuit continuity once gas pressure returns to calibrated setpoints

this NEMA Type 1 rated component delivers the high-torque performance needed for large-bore VB-9XXX compatible valves

Fenwal 35-615221-001 Ignition Module 319847-401 Where should the 900409P beThe 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