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

What causes these switches to trip

Always verify the model and serial number for exact fitment

Easy Field Application: Industrial-strength adhesive provides a permanent bond to the bezel

making it a reliable choice for HVAC contractors who demand exact Lochinvar replacement parts to keep high-demand facilities up and running without unexpected lockouts

Williams 6701 Register 326058-755 Fixed Differential Calibration: Simplifies setupThe 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