S1-331-03010000 furnace control board replacement

The York S1-331-03010000 furnace control board's official cross-reference replacement is ICM Controls ICM2808.

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 board

ICM Controls ICM2808 Source: ICM Controls Cross Reference Guide (LIAF309-2)
Link coming soon

Board type: Integrated furnace control board

Similar printing: another ICM guide lists S1-33103010000, 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 S1-331-03010000 exactly.
Note the furnace model number from its rating plate; the installing technician will need it.

Questions about this board

What replaces the S1-331-03010000 furnace control board?

York S1-331-03010000 cross-references to ICM Controls ICM2808, according to the ICM Controls Cross Reference Guide (LIAF309-2).

Can I replace the S1-331-03010000 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.

S1-331-02956000

VERIFY THE SOURCE

Sources for this page

ICM Controls Cross Reference Guide (LIAF309-2) Furnace Control Boards section · retrieved 2026-07-19