Browning 4L490 Belt R-448A The FS4-3 is typically used

The FS4-3 is typically used in closed-loop hydronic or non-potable water systems

Compact Installation: The non-rising handwheel and Y-pattern design facilitate installation in tight mechanical rooms or confined spaces

Precision Thermal Sensing: High-accuracy bulb preserves system efficiency by preventing unnecessary short-cycling and ensuring tight temperature differentials

or the motor humming without starting

Built with a heavy-duty brass body and a stainless steel stem

Browning 4L490 Belt R-448A The FS4-3 is typically usedWhen you are in the field servicing air handlers or light duty industrial fans, you need a belt that doesn't just fit but survives the daily thermal cycling of a mechanical room. The Browning 4L490 Belt is a pro grade Fractional Horsepower (FHP) V Belt designed with the technician in mind. Featuring a 49 inch outside diameter and a standard 1 2 inch top width, this wrapped construction belt is engineered to provide a smooth, vibration free transfer of