{"product_id":"carrier-py3pna060115aa-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY3PNA060115AA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY3PNA060115AA\u003c\/h1\u003e\u003cp\u003eThis OEM Direct Spark Ignition (DSI) control board is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3PNA060115AA\u003c\/strong\u003e packaged gas\/electric unit. The DSI control board serves as the central brain of the heating system — orchestrating the ignition sequence, managing gas valve timing, monitoring flame signal, and coordinating inducer and blower motor operation. Common failure symptoms include a hard lockout with no ignition attempt, intermittent no-heat calls, failure to prove flame, or a system that sparks but immediately shuts down. Replacing a faulty control board with the correct OEM part restores the precise timing and safety logic the factory engineered for this unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) control | OEM Part Number LH33WP003 | Factory-matched ignition timing, trial-for-ignition duration, and lockout logic | Fits Carrier PY3PNA060115AA packaged units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM boards carry factory-programmed firmware and exact component tolerances. Aftermarket boards may use off-spec timing circuits that cause nuisance lockouts, shorten heat exchanger life, or void equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter, phone\/camera to photograph all wiring harness connections prior to removal. Label every connector before disconnecting. Always verify correct 24V control voltage is present before condemning a board.\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 and factory-specified for the \u003cstrong\u003eCarrier PY3PNA060115AA\u003c\/strong\u003e packaged gas\/electric unit. Verify OEM part number LH33WP003 on your existing board's label before ordering. Our fitment team is available to confirm compatibility — reach out before you buy for complete peace of mind.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640374710643,"sku":"CARRIE-PY3PNA060115AA-CONTROL_BOARD-LH33WP003","price":193.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640374743411,"sku":"CARRIE-PY3PNA060115AA-CONTROL_BOARD-LH33WP003-GEN","price":170.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_bdca2435-9e18-408c-93fc-d0391fc98427.jpg?v=1775028169","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pna060115aa-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}