Optimized flow characteristics reduce energy costs by minimizing pressure drop across the filter element

inspect the underside of the PCB for visible burn marks or cold solder joints

This aftermarket window is cut to OEM specifications for a direct mechanical fit into the existing housing

OEM Compatibility: Exact fit for York S1-025-27733-002

Aaon P78190 Relay 30067439-890 Optimized flow characteristics reduce energyThe Aaon P78190 Overload Relay is a precision engineered protection component designed for heavy duty HVACR applications, specifically within Aaon rooftop units and air handlers. Operating within an adjustable amperage range of 6A to 8. 5A, this relay provides essential motor overload protection by monitoring current pull and interrupting the circuit during thermal overloads or phase failures. As a direct HVAC OEM replacement part, the P78190 ensures