Lochinvar & A.O. Smith 100110487 Flame Prover 320720-756 this specific model is designed

this specific model is designed without over-current protection

For contractors managing industrial boiler controls

Using a multimeter set to millivolts

ensuring the control circuit closes only when the appropriate vacuum or draft is established

Lochinvar & A.O. Smith 100110487 Flame Prover 320720-756 this specific model is designedThe Lochinvar & A. O. Smith 100110487 Flame Prover is a mission critical component designed to maintain the safety and integrity of commercial combustion systems. Engineered for high temperature precision, this flame sensor replacement utilizes flame rectification technology to monitor the burner's ionized gas path. This part ensures the HVAC control board receives a steady DC microamp signal (typically a minimum of 1. 0 A), preventing hazardous gas