Most service replacement kits include the mounting boots and basic hardware to facilitate standard installation

This component is specifically designed for horizontal vent configurations and high-performance gas-fired units where managing air intake is paramount for combustion efficiency and motor longevity

It features a dual safety switch system that prevents the burner from firing unless the 7-inch vent damper is confirmed in the fully open position

Compact Form Factor: Reduced dimensions facilitate installation in space-constrained equipment housings

the PopTop series actuator allows for quick removal

Lochinvar & A.O. Smith 100208515 Ignition Module 320819-301 Most service replacement kits includeThe Lochinvar & A. O. Smith 100208515 Ignition Module is a critical direct spark ignition (DSI) control engineered for high recovery commercial water heaters and residential boilers. This 24V microprocessor based controller manages the ignition sequence, flame supervision, and gas valve actuation with precision timing to ensure professional grade combustion efficiency. Built to withstand high ambient mechanical room conditions, this OEM replacement