B18099-26S furnace control board replacement

The Goodman B18099-26S furnace control board's official cross-reference replacements are ICM Controls ICM2811 and White-Rodgers 50A55-743.

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

ICM Controls ICM2811 Source: ICM Controls Cross Reference Guide (LIAF309-2)
Link coming soon
White-Rodgers 50A55-743 Source: White-Rodgers / Copeland Furnace Controls Reference Card (R-4952, 3/24)
Link coming soon

Board type: Integrated furnace control board

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

Similar printing: another ICM guide lists B1809926S, written with different dashes. The sources don't say whether it is the same board; check which form is on yours.

Before you order

Read the part number stamped or printed on the board itself, including any suffix letter. It must match B18099-26S exactly.
Note the furnace model number from its rating plate; the installing technician will need it.

Questions about this board

What replaces the B18099-26S furnace control board?

Goodman B18099-26S cross-references to ICM Controls ICM2811 and White-Rodgers 50A55-743, according to the ICM Controls Cross Reference Guide (LIAF309-2) and White-Rodgers / Copeland Furnace Controls Reference Card (R-4952, 3/24).

Which B18099-26S replacement should I buy?

Each listed board is an official cross for B18099-26S in its manufacturer's own cross-reference. Ask the technician who will install it which one suits your furnace before ordering.

Can I replace the B18099-26S 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.

0130F00005 0130F00005S B18099-26 PCBBF110 PCBBF110S PCBBF112 PCBBF112S PCBBF123 PCBBF123S 50A55-289 50A55-743 50T55-289

VERIFY THE SOURCE

Sources for this page

ICM Controls Cross Reference Guide (LIAF309-2) Furnace Control Boards section · retrieved 2026-07-19 White-Rodgers / Copeland Furnace Controls Reference Card (R-4952, 3/24) ©2024 Copeland LP · retrieved 2026-07-19