{"product_id":"carrier-py1rea120224abwb-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for PY1REA120224ABWB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY1REA120224ABWB\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier Direct Spark Ignition (DSI) Control Board, part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e, factory-specified for the \u003cstrong\u003eCarrier PY1REA120224ABWB\u003c\/strong\u003e packaged unit. The DSI control board serves as the nerve center of the heating system — it sequences ignition, monitors the flame sensor, manages gas valve timing, and responds to thermostat signals. When this board fails, you'll typically experience a no-heat condition, repeated ignition lockout faults, or a system that attempts ignition and immediately shuts down without establishing a flame. In some cases, fault codes on the board's LED indicator will point directly to an IFC or ignition control failure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) control | 460V application | Replaces superseded part LH33WP002A | Factory-matched timing and fault logic for Carrier packaged units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e Genuine Carrier OEM boards use factory-programmed microcontrollers with precise ignition timing tolerances. Aftermarket boards may exhibit off-spec trial-for-ignition timing, increasing the risk of nuisance lockouts or unsafe operation — always choose OEM for control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off gas and electrical supply before servicing. Photograph all wiring harness connections before disconnecting. Tools needed: screwdrivers, nut driver set, multimeter, and a wiring diagram (available on unit access panel). Best performed by a licensed HVAC technician.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for \u003cstrong\u003eCarrier model PY1REA120224ABWB\u003c\/strong\u003e and other Carrier, Bryant, and Payne packaged units in the PY\/48\/574\/580\/581\/582\/583\/588\/589 series that utilize DSI ignition control. Always confirm your existing board's part number before ordering. Our fitment team is available to verify compatibility before you buy — order with confidence and get back to comfort fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640677257587,"sku":"CARRIE-PY1REA120224ABWB-CONTROL_BOARD-LH33WP002","price":502.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640677290355,"sku":"CARRIE-PY1REA120224ABWB-CONTROL_BOARD-LH33WP002-GEN","price":442.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP002_8ee9e5af-b913-489a-ac19-8b63711f0ca2.jpg?v=1775027725","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1rea120224abwb-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}