A faulty limit switch often causes the indoor blower fan to run continuously or prevents the burners from igniting

Double-Throw) contact form to automatically transition local terminal controls between heating and cooling modes

it likely requires replacement

including the 325-5A and 325-5L models

Bard HVAC 8201-056BX Control Board A faulty limit switch oftenThe Bard HVAC 8201 056BX Control Board is a specialized 24V 6. 9A Blower Control Board engineered for precise sequencing of blower motor operations in residential and light commercial equipment. As a direct OEM replacement for S8201 056 and 8201 056, this board ensures the control circuit maintains exact voltage and amperage tolerances required for Bard wall mount units and furnaces. Troubleshooting blower failures often leads to faulty relays or