{"product_id":"carrier-lc748lccsrmy2100-contactor-1h3zxd","title":"OEM Carrier Contactor 2-Pole 24V for LC748LCCSRMY2100","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model LC748LCCSRMY2100\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier LC748LCCSRMY2100\u003c\/strong\u003e air conditioning system. The contactor is a high-voltage relay that receives a 24V signal from your thermostat and closes the circuit to send line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, burned coil, or a stuck plunger — the outdoor unit will not energize, leaving you with warm air or a completely non-responsive system. OEM part numbers \u003cstrong\u003eHN52TC024\u003c\/strong\u003e and \u003cstrong\u003eHN52TC040\u003c\/strong\u003e are both covered by this listing; verify your existing part number on the component label before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole configuration | 24V AC coil voltage | Factory-matched contact rating | Direct OEM replacement for HN52TC024 and HN52TC040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic contactors often use lower-grade contacts that pit and weld prematurely, causing compressor burnout or nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker and verify zero voltage with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting for reference during reassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed by 3 PM ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eLC748LCCSRMY2100\u003c\/strong\u003e system. Cross-references OEM part numbers HN52TC024 and HN52TC040. Always confirm the pole count, coil voltage, and amperage rating on your existing contactor's label before installation. Our parts specialists are available to verify fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909293724019,"sku":"CARRIE-LC748LCCSRMY2100-CONTACTOR-HN52TC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909293756787,"sku":"CARRIE-LC748LCCSRMY2100-CONTACTOR-HN52TC024-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN52TC024_86eff67e-8f77-4cb4-8a36-2bd39e483c2c.jpg?v=1782905072","url":"https:\/\/nationalhvacparts.com\/products\/carrier-lc748lccsrmy2100-contactor-1h3zxd","provider":"National HVAC Parts","version":"1.0","type":"link"}