You must remove the cover

this is the official direct replacement authorized by the manufacturer

such as bulk milk cooler systems

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

ensuring the control board receives stable signal data for optimized firing rates and efficiency

Field Controls 46213800 Blower Wheel 321142-301 You must remove the coverThe 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