Lochinvar & A.O. Smith 100208249 Transformer Using an incorrectly sized restrictor

Using an incorrectly sized restrictor will result in combustion instability and potential safety hazards

This part number refers to the plastic cover only

What are the signs that a tubular steel burner needs replacement

Set your multimeter to the microamps (µA) scale and connect it in series with the sensor wire

Lochinvar & A.O. Smith 100208249 Transformer Using an incorrectly sized restrictorThe Lochinvar & A. O. Smith 100208249 Transformer is a critical HVAC replacement part designed for high performance residential and commercial heating systems. This heavy duty 50VA control transformer features a 120V primary to 24V secondary configuration, providing the stable low voltage power required for integrated boiler control boards, gas valves, and ignition modules. Engineered as a direct OEM alternative, the 100208249 is 100% identical to