FitXref / HVAC Control Boards / Models / PCBBF123S

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OFFICIAL CROSS-REFERENCE

PCBBF123S furnace control board replacement

The Goodman PCBBF123S furnace control board's official cross-reference replacements are ICM Controls ICM2811, White-Rodgers 50A55-743, and ICM Controls ICM2812-KIT.

Furnace control boards switch 120/240V line voltage and the gas valve. This page is for identifying the correct replacement part only — it is not a wiring or installation guide. Improper installation can cause fire, electrical shock, or gas hazards; have a licensed HVAC technician do the actual replacement.

Replacement boards

Board type: Integrated furnace control board

Configuration of White-Rodgers 50A55-743: Single-stage, PSC (per R-4952)

Before you order

Questions about this board

What replaces the PCBBF123S furnace control board?

Goodman PCBBF123S cross-references to ICM Controls ICM2811, White-Rodgers 50A55-743, and ICM Controls ICM2812-KIT, according to the ICM Controls Cross Reference Guide (LIAF309-2), White-Rodgers / Copeland Furnace Controls Reference Card (R-4952, 3/24), and ICM Controls ICM2812-KIT Cross Reference (LIAF321).

Which PCBBF123S replacement should I buy?

Each listed board is an official cross for PCBBF123S in its manufacturer's own cross-reference. The ICM2812-KIT is a universal board that ICM packs with adapter harnesses; ICM's sheet names the ones this part number uses. Ask the technician who will install it which one suits your furnace before ordering.

Can I replace the PCBBF123S board myself?

FitXref only identifies the part. A furnace control board switches line voltage and the gas valve, so a licensed HVAC technician should install it and check the furnace afterwards.

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