When the plenum temperature reaches the 160-degree threshold

Cross-reference your heater’s model and serial number with the technical manual to confirm the required orifice part number

check the terminals while the switch is in the 'ON' position

Durable Round Housing: Metal-cased design facilitates optimal heat dissipation and protection against harmonic vibration

What does the brown color code signify

Wayne 62390-002 Probe Sensor When the plenum temperature reachesThe Wayne 62390 002 Probe Sensor (F HSG) is a critical replacement flame monitoring component designed for the EHG and HSG Series Gas Burners. Engineered for high temperature stability, this assembly features a precision machined metal rod and a high grade white porcelain insulator. In standard burner ignition sequences, the probe serves as the primary communication link with the gas valve; it detects the presence of a flame via rectification and