Phason Supra-RS Expansion Board - 20 Amp QCOUTLET The ladder grip in the

The ladder grip in the sole offers excellent traction

Keeps cold and wet out

5 to 14 lbs

making it quick and easy to navigate and program

Phason Supra-RS Expansion Board - 20 Amp QCOUTLET The ladder grip in theExpand the capabilities of your Phason Supra RS, QC Part #11725, with this Expansion Board Kit. It allows you to connect equipment requiring 0 10 Volt input, such as variable frequency drives or modulating valves. This kit installs in seconds and has four outputs you can configure for cooling or heating. Each output has its own settings and functions the same as the Supra's other variable stages. Requires a Supra with an expansion connector and