National Comfort Products 14262064 Control Board R-407A this switch is engineered to

this switch is engineered to prevent heat exchanger damage by breaking the 24V control circuit if internal temperatures exceed the factory-set safety threshold

it reduces truck stock requirements while maintaining reliable sequence of operation in residential and tight commercial furnaces or boilers

and freezers

Can this be used with other manufacturers' sheaves

National Comfort Products 14262064 Control Board R-407A this switch is engineered toThe National Comfort Products 14262064 Control Board acts as the central intelligence for fan regulation within specialized thru the wall HVAC units. Engineered to handle precise fan speed control and sequencing, this genuine OEM fan control board (replaces legacy part 20389 0668) ensures consistent airflow management across residential and light commercial National Comfort Products configurations. Designed for a direct drop in fit, it manages