If the resistance across the leads deviates significantly from the 100-ohm spec

If the circuit remains open when cool

ensuring the Heil Quaker 1098023 replacement meets precise heat rise and cooling delta-T requirements

providing a critical boiler burner shutdown signal if levels drop below the safe threshold

Lochinvar & A.O. Smith 100165926 Ignitor 320074-702 If the resistance across theWhen you're dealing with a Lochinvar flame fail ignition lockout, the Lochinvar & A. O. Smith 100165926 Ignitor is the professional grade solution to restore reliable burner startup. This hot surface ignitor is specifically designed for the Cadet Model CD series, including the CDN040, CDN070, CDN100, and CDN120, as well as the CCN120. In a high efficiency condensing boiler, precise ignition control is critical; a cracked or carbon fouled element will