Reznor 17890 Pilot Assembly Internal Spring Design: Maintains desiccant

Internal Spring Design: Maintains desiccant bed integrity during transport and high-vibration operation

Reliability in the field is paramount

This component is specifically designed for 120V operation

ensuring reliable filtration of solids like scale and solder particles with minimal pressure drop across the refrigerant filter drier

A faulty limit switch often causes the indoor blower fan to run continuously or prevents the burners from igniting

Reznor 17890 Pilot Assembly Internal Spring Design: Maintains desiccantThe Reznor 17890 Pilot Assembly is a critical OEM replacement part engineered for precise ignition and sustained burner performance in unit heaters and furnaces. This natural gas pilot burner is a "less thermocouple" configuration, designed to house a standard thermocouple or flame sensor (sold separately) to facilitate a safe combustion sequence. Built to withstand the high heat cycles of commercial heating environments, this setup ensures consistent