{"product_id":"carrier-py3gna030040aa-control-board-cyc67l","title":"OEM Carrier Ignition Control Board LH33WP007 — PY3GNA030040AA","description":"\u003ch1\u003eOEM Carrier Ignition Control Board LH33WP007 for Model PY3GNA030040AA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier ignition control board (part number \u003cstrong\u003eLH33WP007\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier PY3GNA030040AA\u003c\/strong\u003e system. The ignition control board serves as the brain of your furnace's heating sequence — it orchestrates the inducer motor startup, hot surface igniter activation, gas valve operation, and continuous flame supervision. When this board fails, you'll typically experience a hard lockout with no heat, repeated ignition attempts that never establish flame, or erratic error codes on your thermostat display.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 24V | 60 Hz | OEM part number LH33WP007 | Factory-matched design for Carrier PY3GNA030040AA systems | Weight: 0.84 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM board is manufactured to exact Carrier design-life specifications, preserving your equipment warranty and maintaining all agency listings and safety standards. Aftermarket boards may use lower-grade components that compromise timing accuracy and long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off power at the breaker and gas supply before beginning. Photograph all wiring harness connections before disconnecting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter for post-install verification. Recommend a qualified HVAC technician for installation.\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 Designed as a direct drop-in replacement for the \u003cstrong\u003eCarrier PY3GNA030040AA\u003c\/strong\u003e. Always verify your existing board's part number against LH33WP007 before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640486089075,"sku":"CARRIE-PY3GNA030040AA-CONTROL_BOARD-LH33WP007","price":511.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640486121843,"sku":"CARRIE-PY3GNA030040AA-CONTROL_BOARD-LH33WP007-GEN","price":449.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP007_e2cc6c1c-94ba-4fc3-82a1-7645adc988fd.jpg?v=1775035970","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3gna030040aa-control-board-cyc67l","provider":"National HVAC Parts","version":"1.0","type":"link"}