Common Questions What does it mean when my furnace shows a "pressure switch stuck open" error

making it a reliable solution for commercial AC repair and preventative maintenance protocols

it offers a drop-in fit for compatible Trane rooftop units (RTU) and residential systems

an open circuit below 420 PSI typically indicates a failed internal diaphragm or contact set

and a failure to pass voltage to the compressor despite receiving a call for cooling

Reznor 1001412 Kit 322027-701 Common Questions What does itThe Reznor 1001412 Kit is a field critical LP conversion high altitude kit designed to adapt Reznor VC VP60 unit heaters for liquid propane operation. This genuine OEM assembly ensures your equipment maintains proper combustion sequencing and thermal efficiency when operating in jurisdictions at high altitude where air density requires precise fuel to air ratio adjustments. As a technical HVAC replacement part, it addresses the derating requirements