{"product_id":"carrier-lc748lccsrlpx2100-contactor-1h3zxi","title":"OEM Carrier Contactor 2-Pole 24V Coil for LC748LCCSRLPX2100","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model LC748LCCSRLPX2100\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part# \u003cstrong\u003eHN52TC040\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier LC748LCCSRLPX2100\u003c\/strong\u003e condensing unit. The contactor is the high-voltage relay that bridges 240V power to the compressor and condenser fan motor each time the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the outdoor unit will either refuse to start entirely, run continuously without cycling off, or trip the breaker repeatedly. Replacing a worn contactor is one of the most cost-effective repairs in residential HVAC service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 40-amp contact rating | 240V load voltage | Direct OEM replacement for part number HN52TC040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory arc-interrupt specifications. Generic substitutes frequently use lower-grade alloys that pit and weld shut faster — especially in high-cycle climates. This listing is the genuine Carrier factory part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect AND breaker panel before proceeding. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Line-voltage terminals must be torqued to spec — loose connections accelerate contact erosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our climate-controlled parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct drop-in replacement for Carrier model \u003cstrong\u003eLC748LCCSRLPX2100\u003c\/strong\u003e. Always confirm coil voltage (24V) and pole count on your unit's wiring diagram or data plate before ordering. If you're unsure of fitment, our parts specialists verify compatibility at no charge before you buy — call or chat anytime. \u003cstrong\u003eIn stock and ready to ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909294215539,"sku":"CARRIE-LC748LCCSRLPX2100-CONTACTOR-HN52TC040","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909294248307,"sku":"CARRIE-LC748LCCSRLPX2100-CONTACTOR-HN52TC040-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-HN52TC040_80b50406-2949-466d-bc6a-56a5a077e2c8.jpg?v=1782904819","url":"https:\/\/nationalhvacparts.com\/products\/carrier-lc748lccsrlpx2100-contactor-1h3zxi","provider":"National HVAC Parts","version":"1.0","type":"link"}