Antunes Controls 8621204001 Pressure Switch Refrigerant How do I troubleshoot a

How do I troubleshoot a flame sensing issue with this module

While designed for non-metal Marathon tanks

the Modine 5H0735910003 remains open as a safety precaution

As a direct-fit furnace flame sensor replacement

Inspect for pitting

Antunes Controls 8621204001 Pressure Switch Refrigerant How do I troubleshoot aThe Antunes Controls 8621204001 is a high precision air differential pressure switch designed for critical monitoring of air flow and pressure differentials in HVACR systems. This Model JD 2 configuration features an adjustable range of . 17 to 6 inches water column, providing technicians with the flexibility required for fine tuning commercial ventilation and burner systems. Built with a manual reset mechanism and a SPDT (Single Pole Double Throw)