and 143-80-2 model regulators

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

they are limited to a maximum working pressure of 50 psi

ensuring the underlying cause of the high-limit trip is addressed

For stable operation

Wayne 62390-002 Probe Sensor and 143-80-2 model regulatorsThe 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