they are limited to a maximum working pressure of 50 psi

What does the brown color code signify

When the plenum temperature reaches the 160-degree threshold

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

Wayne 62390-002 Probe Sensor they are limited to aThe 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