The most common indicator is the furnace lighting for a few seconds and then immediately shutting down

Robust Design: Operates in extreme temperatures ranging from -40°F to 175°F

While tech-manuals may suggest it for short runs

including the 48DP series and replaces older part numbers like HC51TE230 and P251-5103

Built for precision in residential and light commercial equipment

Johnson Controls P499ACS-404 Pressure Transducer 321142-301 The most common indicator isThe Johnson Controls P499ACS 404 is a high precision electronic pressure transducer engineered for demanding commercial refrigeration and HVAC applications. It features a rugged 17 4PH stainless steel construction with a single piece machined pressure port, eliminating internal O rings or welds to ensure a leak proof seal against standard and A2L A3 refrigerants. This specific model provides a 4 to 20 mA output signal and is calibrated for a 0 to 30