Hayward
Corresponds with 2 in the diagram above.
Only works for 150,000 BTU.
Pentair Heater Wiring Harness (115/230V) - 461107
28. Display Board Only - IDXL2DB1930
1. Heater Display Cover - 42002-0035Z
12. Air Flow Switch - 42001-0061S
5-C. LCD Display - 013640F