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This 220-250F AUTO Limit Switch is engineered for precision
Standard 325-3 models often require a separate 12A09 vent limiting device for indoor use to meet code without piping a vent line
as board revisions can vary
preventing moisture damage to the HVAC cabinet or furnace heat exchanger
Lochinvar & A.O. Smith 100165924 Ignitor Els PW 17895 This 220-250F AUTO Limit SwitchThe Lochinvar & A. O. Smith 100165924 Ignitor is a critical combustion component engineered for high output gas fired heating systems. Specifically designed for compatibility with the Lochinvar Crest series (FBN2500FBN3500) and FTXL models (FTX400850), this ignitor ensures rapid heat up and stable flame initiation in commercial boiler parts applications. Also known by the PLT30004 cross reference, this 1 2" NPT assembly is a direct replacement for
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