For optimal performance and to prevent sediment buildup

ensuring high-cycle life in demanding environments

the 100109446 is the official successor and updated version for the 9003739105

OEM-Spec Leads: Factory-installed 15

Its backlit LCD screen is built for long-term durability in mechanical rooms

Fenwal 35-615221-001 Ignition Module 318172-701 For optimal performance and toThe 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