{"product_id":"carrier-hh18ha515-for-58tp0a090v211220","title":"Carrier Limit Switch HH18HA515 for Model 58TP0A090V211220","description":"\u003cp\u003eDirect factory replacement \u003cb\u003eHH18HA515\u003c\/b\u003e for the Carrier \u003cb\u003e58TP0A090V211220\u003c\/b\u003e, matched to the original build sheet. Fitment guaranteed — free returns if it doesn't fit.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003elimit switch (high-temp overheat cutout \/ snap-disc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXref\u003c\/td\u003e\n\u003ctd\u003eLF18-094; 4349806 (per hvacdirect.com)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNote\u003c\/td\u003e\n\u003ctd\u003eType = limit switch confirmed across partstown.com ('SWITCH, LIMIT' - interrupts power at high temp), hvacdirect.com, auersteel.com, ebay. HH18HA snap-disc family. NO open\/close temperature or reset type published on any independent domain, so setpoint left unverified. Cross-refs LF18-094 \/ 4349806 from hvacdirect (single domain).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd\u003eHH18HA515\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eCarrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew — genuine OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eSymptoms of a failing switch\u003c\/h3\u003e\u003cp\u003eWatch for: The unit fails to complete its normal cycle, visible wear, corrosion, or heat damage on the part, intermittent operation that worsens. Catching it early protects the components around it.\u003c\/p\u003e\u003ch3\u003eReplacement guide\u003c\/h3\u003e\u003cp\u003eSwap the part, torque fasteners evenly, and route wires away from hot or moving surfaces. Run a complete cycle and verify normal operation before closing the panel.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cb\u003eIs this the exact OEM part for my 58TP0A090V211220?\u003c\/b\u003e Yes — verified factory fitment for that model.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eNot sure of your model?\u003c\/b\u003e Chat with Mike with the number from your unit's nameplate and we'll confirm before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":63838525456755,"sku":"CARRIE-58TP0A090V211220-HH18HA515","price":54.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-hh18ha515-for-58tp0a090v211220","provider":"National HVAC Parts","version":"1.0","type":"link"}