As a veteran-grade dual pressure control

How do I test the S1-025-26366-002 in the field

Does this pan include the overflow switch

Technicians should match the defrost interval settings (30

restoring normal operation once airflow issues are cleared

Heil Quaker ICP 1178962 Control Board 326058-758 As a veteran-grade dual pressureThe Heil Quaker ICP 1178962 Defrost Control Board is a critical OEM replacement engineered to manage the defrost cycle for specified heat pump systems under the International Comfort Products (ICP) umbrella. As a primary "brain" for the condensing unit, this board incorporates complex demand defrost algorithms to monitor outdoor coil temperature and initiate the reversing valve and outdoor fan transitions only when frost accumulation is detected. This