Part Code: PCBBF140S
Substitute Part Number (SP/N): 50M56-291 Application: For systems using 120V hot surface ignitor Compliance: ANSI Z21.20 – Automatic Ignition Systems
The PCBBF140S is an integrated fan control module designed for HVAC furnaces equipped with 120V hot surface ignition systems.
As a replacement for SP/N 50M56-291, this module streamlines functionality into a single board, reducing complexity and enhancing system reliability. It meets ANSI Z21.20 standards for automatic gas ignition safety.