or if testing with a multimeter shows a reading outside the 145-175 microfarad tolerance

requiring a technician to identify and clear the root cause of the trip before system restart

Worn blades lead to "scram" or ice buildup on the cylinder walls

verify the model number as some rollout switches are designed to stay open until manually depressed

For field technicians and mechanical contractors managing damper assemblies and valve trains

Reznor 93973 Orifice or if testing with aMaintaining proper ignition in commercial unit heaters requires precise fuel metering, and the Reznor 93973 Nat Gas Pilot Orifice is the OEM standard for ensuring consistent natural gas flow. As a critical component within the pilot burner assembly, this precision drilled brass fitting regulates gas delivery to create the stable, bushy flame necessary to maintain thermocouple millivoltage. In the field, a clogged or worn orifice is often the primary