making it a critical stock item for service vans

ensuring it handles typical commercial LP regulator outputs without failure

This fan assembly is compatible with various Lochinvar Knight and A

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

ensuring high-cycle life in demanding environments

Fenwal 35-615221-001 Ignition Module 318172-701 making it a critical stockThe 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