OEM Replacement, Carrier LH33WP003 (DSI Control Board)


ICM 291 Made In USA Replacement Board

In stock



Gas Ignition Control Board – replacement for Carrier LH33WP003/3A control boards


Additional information

Weight 3.0 lbs
Dimensions 8 × 8 × 3 in
Product Type

Furnace Control Board

Control Voltage

24 VAC @ 60 Hz

Line Voltage

208/230 VAC @ 60 Hz

Power Consumption


Operating Temp Range

-40° to 176°F

Ignition Trial Time

5 + 2 seconds

Ignition Trials

Every 20 sec. for 15 min

Lockout Timing

Manual Reset

Pre-Purge Period

45 sec

Cross References

LH33WP003/3A, LH33WP003, LH33WP003A


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