Brand new in box White-Rodgers (Emerson) 50A55-843 Universal Integrated Furnace Control Board. ✅ Universal replacement for many single-stage gas furnaces ✅ Supports PSC blower motor applications ✅ 120 V hot surface ignition (HSI) ✅ Model: 50A55-843 ✅ Emerson Climate Technologies original part ✅ Box opened only to verify contents – unused Perfect for HVAC repair professionals or as a reliable spare for maintenance. Ships carefully packed in original retail box with free USPS Priority Mail.
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