Antunes Controls 803112601 Pressure Switch 30067439-890 It includes a standard test

It includes a standard test lever for manual diagnostic checks

Measuring the secondary side under load will often show a voltage drop below 18-20V if the internal windings are compromised

This specific part number refers to the 4-tube burner assembly

A trip usually indicates restricted airflow

Antunes Controls 803112601 Pressure Switch 30067439-890 It includes a standard testThe Antunes Controls 803112601 Pressure Switch (Model HGP A) is a high performance safety interlocking device engineered for industrial combustion systems and gas trains. This manual reset SPDT pressure switch is designed to monitor gas pressure and instantly break the electrical control circuit if levels rise above the adjusted setpoint. With a field adjustable range of 2 16" W. C. (50 400 mm W. C.), it provides precise high gas pressure limit