Is this an authentic Nor East Controls part

How do I verify if the 100112667 is the correct fit for my unit

You must remove the cover

ensuring stable superheat regulation across a broad operating range of -40°F to +50°F

this is the official direct replacement authorized by the manufacturer

Field Controls 46213800 Blower Wheel 321142-301 Is this an authentic NorThe Field Controls 46213800 Blower Wheel is a critical replacement component for sustaining draft efficiency in high performance power venting systems. Engineered specifically for compatibility with SWG 5, SWG 5S, and CV 5 models, this stainless steel blower wheel is built to withstand the corrosive flue gases common in oil and gas heating applications. Measuring 4 3 4 inches in diameter with a 2 1 16 inch height, the 22 gauge heavy duty construction