Common Questions: How do I set the superheat on this AACE model

The rigid base mount and 7/8" shaft diameter make it a standard drop-in solution for contractors performing maintenance on commercial air conditioning and heating equipment

providing a maximum flow capacity of 20 scfm to meet demanding airflow requirements

making it a versatile choice for standard steam heating systems

Lochinvar & A.O. Smith 100165932 Spark Ignitor 323269-701 Common Questions: How do IWhen you're dealing with a heater that will not fire, the Lochinvar & A. O. Smith 100165932 Spark Ignitor is a critical diagnostic starting point. This genuine OEM replacement part is engineered for high voltage ignition sequences in Lochinvar EnergyRite Heaters, specifically models ER 152, ER 202, ER 252, ER 302, and ER 402. As a field ready HVAC ignition component, it provides the precise 10,000 to 15,000 volt arc required to bridge the gap and