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the 1380004 is specifically calibrated for natural gas applications
which can lead to pressure switch trip-outs
this high limit control switch provides the reliability required for 24/7 HVAC operations
The element type is typically etched onto the top of the power assembly
While designed for York units
Allanson Transformers 2721-452 Transformer Els PW 17895 the 1380004 is specifically calibratedWhen you are troubleshooting an ignition failure on an ABC D & LC burner, the Allanson 2721 452 ignition transformer is the specific field replacement engineered for these high demand applications. This 120V primary, 10,000V secondary ferromagnetic unit delivers a consistent 23mA of ignition power, ensuring reliable fuel to air combustion even in cold start environments. Designed as part of the Small Can Series, it features a mid point ground