Carrier LH33WP003 Circuit Board Els PW 17895 Improper sizing will cause mechanical

Improper sizing will cause mechanical interference or a significant drop in CFM

or a manifold pressure drop that causes the flame to rollout or extinguish shortly after startup

the operational states are clearly defined: at pressures below 4 Psig

Is a combustion analyzer required after installing this LP to Natural kit

For extreme heat applications

Carrier LH33WP003 Circuit Board Els PW 17895 Improper sizing will cause mechanicalFor veteran technicians servicing Carrier rooftop units and furnaces, the Carrier LH33WP003 Integrated Circuit Board (IGC) serves as the central logic and timing hub for high performance gas heating. This genuine Direct Spark Ignition (DSI) control board is engineered to handle the complete sequence of operation, including pre purge timing, spark ignition, and gas valve management. Because the LH33WP003 is identical to LH33WP003A, it provides a