Very rarely out technicians have seen a Propex running issue where your heater's fan may start acting possessed and cycling on and off in one second bursts.  We suspect this happens when the heater has been started with the 12V battery in a discharged state. The fan spins up to begin its pre-c …

This article is a reference for the wiring and electrical connectors of the Propex HS-series heaters.  If you are having electrical issues, please make sure all of your wires are correctly pinned and hooked up properly.   HS2000 / HS2800 Thermostat Wiring Harness connected to the circuit …

Note: This article applies to the internally mounted HS2000 and HS2800 heaters only.  Propex HS2000 and HS2800 heaters are designed to be mounted directly to a vehicle floor and the combustion inlets and outlets are positioned on the bottom of the unit. The 2" outlet pipes on …

As with anything discussed on the internet, we've seen a wide range of terms used for the components of the Propex heaters.  Let's find some common ground on Propex terminology!   Pipes: We call the smaller (22mm in the HS2000 and HS2211, 26mm in the HS2800) intake and exhaust pipes the c …

By design, the Propex furnace is a quiet and reliable way to heat your space. The only noise you'll hear is the fan running and the soft low rumble of the combustion exhaust pipe. For those who want an even quieter experience, we sell a complete 'stealth' retrofit kit for your HS2000. This kit come …

Occasionally the Propex technical support team receives questions describing electrical conditions that are outside the typical diagnostic flow of the heater. This could be something like a heater working on the fan setting but not on the heat setting or perhaps having no response at all despite 12 …