Reznor 17890 Pilot Assembly The silver dot is typically

The silver dot is typically located on the face or side of the limit switch body to designate the specifically calibrated 240-degree trip point used in Reznor factory specifications

The compact frame and standard mounting holes allow for rapid installation in high-density control boxes

Reliable Construction: Crystalized silicon carbide (Crystar) provides the thermal shock resistance necessary for long-term operation in demanding environments

As an essential component for precise refrigerant flow control

Reznor 17890 Pilot Assembly The silver dot is typicallyThe 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