{"product_id":"carrier-tchc2550hecmrah602-contactor-1h3zxi","title":"OEM Carrier Contactor 2-Pole 24V Coil for TCHC2550HECMRAH602","description":"\u003ch1\u003eOEM Carrier Contactor HN52TC040 for Model TCHC2550HECMRAH602\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor for the \u003cstrong\u003eCarrier TCHC2550HECMRAH602\u003c\/strong\u003e heat pump \/ condensing unit. The contactor is a high-voltage relay controlled by your thermostat's 24V signal — it closes to send line voltage to the compressor and condenser fan motor every time a cooling or heating call is made. When the contactor fails, the most common symptom is an outdoor unit that simply won't energize: the thermostat calls, the indoor air handler runs, but the condenser sits silent. You may also notice pitting or burning on the contact points, chattering, or a unit that runs continuously without shutting off.\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 for compressor load | Direct OEM replacement part number HN52TC040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM contactor built to exact factory specifications. Generic contactors may use thinner contact material, leading to premature pitting, chatter, and compressor damage from voltage drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting line voltage at the disconnect box and verifying zero voltage with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, multimeter, needle-nose pliers. Photograph all wiring connections before removing the old contactor. If unfamiliar with line-voltage wiring, consult 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 Designed as the direct OEM replacement for the \u003cstrong\u003eCarrier TCHC2550HECMRAH602\u003c\/strong\u003e. Always verify coil voltage and pole configuration on your unit's data plate before ordering. Our fitment team is available to confirm compatibility prior to purchase — don't guess on a contactor.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640275620211,"sku":"CARRIE-TCHC2550HECMRAH602-CONTACTOR-HN52TC040","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640275652979,"sku":"CARRIE-TCHC2550HECMRAH602-CONTACTOR-HN52TC040-GEN","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN52TC040_f951621b-86f7-4265-8ead-551750d8cea4.jpg?v=1775021832","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc2550hecmrah602-contactor-1h3zxi","provider":"National HVAC Parts","version":"1.0","type":"link"}