Lochinvar & A.O. Smith 100288430 Switch 321702-401 this step-down transformer provides the

this step-down transformer provides the consistent VA capacity required to keep low-voltage circuits operational without overheating or voltage sag

Technicians should replace this gasket whenever the blower assembly is removed for inspection or if there are visible signs of scorching or compression set at the flange

typically ranging between 110-230 degrees Fahrenheit

Built to replace OEM part numbers 07

875") diameter shaft with a length of approximately 3

Lochinvar & A.O. Smith 100288430 Switch 321702-401 this step-down transformer provides theThe Lochinvar & A. O. Smith 100288430 Low Air Pressure Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a veteran technician knows, this normally open switch is calibrated to a precise 0. 75" water column (W. C.) set point. It serves as the primary "proof of airflow" for the inducer motor, ensuring that the combustion blower is creating sufficient negative pressure to safely evacuate flue