The 302-273-P is primarily designed for the standard AC-frame 8210 series

Fixed Differential Calibration: Simplifies setup and minimizes the risk of improper field adjustment

and R-452A

Universal Compatibility: Serves as the precise short turbulator for Burnham AP-series and NY N-112

Williams 6701 Register 326058-755 The 302-273-P is primarily designedThe Williams 6701 is a professional grade Side Outlet Register designed specifically for Forsaire Top Vent and Direct Vent gas wall furnaces. Engineered for field installation, this assembly allows contractors to divert a portion of the heated airflow into an adjacent room, significantly increasing the utility of a single heating unit. This kit includes a 10 inch boot and a manual airflow damper, providing precise control over heat distribution to the