As with any electrical connection that will be exposed to changing environments, it is important that you use dielectric grease when connecting the thermostat and power harnesses to your Propex circuit board. Dielectric grease is a silicone-based product that will seal out moisture and prevent oxid …

  The Propex HS-series heaters are extremely reliable in real-world conditions; however, we have seen instances where a fault code cannot be cleared by the normal reset process. We believe that the main circuit board gets into a kind of logic loop and becomes unresponsive to input. We usuall …

The Propex digital thermostat is a versatile way to control the comfort of your heated space and can be set to display temperature in either Fahrenheit or Celsius. Here's the procedure for setting the display: Disconnect the heater from its power source. Hold both the 'up' and 'down' buttons on th …

If your installation requires a longer length of harness between your heater to your desired thermostat location, Propex North America has an 11-foot harness extension for plug and play functionality. This extension harness will work for the most recent iterations of the HS-2000, HS-2211 and H …

When the Propex HS-series heater encounters conditions outside the parameters for safe operation, the logic circuits on the main circuit board may throw a fault code. This self-diagnostic feature helps protect the user and the heater unit itself and also points the user in the right direction for d …

If your Propex HS-series heater is having issues but no diagnostic fault code is showing on the thermostat indicator light, there are a couple quick diagnostic tools you have in your toolbox. First: Is the ambient temperature warmer than 80F? The upper limit of the Propex thermostat is 80F to limit …