and AWN200PM series

This is a 1-trial lockout module

Is the S1-373-13300-604 cross-compatible with other brands

the A17526 supports optimal system balance and fluid flow control

this OEM component is the industry standard for 4-cylinder and 6-cylinder 06E models

Carrier HK42FZ064 Control Board 320788-703 and AWN200PM seriesReplace a failing or shorted furnace control with the Carrier HK42FZ064 Control Board, the definitive OEM replacement for maintaining communication between your thermostat, inducer motor, and blower. As a veteran grade HVAC furnace control board, this unit is engineered to manage critical furnace ignition sequences and safety protocols, specifically resolving furnace error codes such as 1 3 (Limit circuit lockout) or 3 4 (Ignition proving failure).