{"product_id":"carrier-ph4ang024000bcaa-pressure-switch-1vlc9v","title":"OEM Carrier High Pressure Switch 670\/470 PSI for PH4ANG024000BCAA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 312926-252 for Model PH4ANG024000BCAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM high pressure switch for the \u003cstrong\u003eCarrier PH4ANG024000BCAA\u003c\/strong\u003e heat pump\/air conditioning system. The high pressure switch is a critical safety component that continuously monitors refrigerant pressure on the high side of the system. When refrigerant pressure exceeds safe operating limits, the switch trips to shut down the compressor — protecting it from catastrophic over-pressurization damage. Common failure symptoms include nuisance high-pressure lockouts, compressor short-cycling, or a system that trips out on hot days and won't restart without a manual reset.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 670 PSI cutout \/ 470 PSI reset | OEM Part Number: 312926-252 | Genuine Carrier factory-authorized replacement component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier part with factory-calibrated pressure trip points. Aftermarket pressure switches can have drift tolerances that lead to nuisance trips or, worse, failure to trip — risking compressor burnout. OEM is always the recommended choice for safety-critical switches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — System refrigerant must be recovered before replacing a high-side pressure switch. Tools needed: manifold gauge set, torque wrench, refrigerant recovery equipment. Installation must be performed by an EPA 608-certified technician.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer 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 Direct OEM replacement for \u003cstrong\u003eCarrier PH4ANG024000BCAA\u003c\/strong\u003e. Always verify the part number 312926-252 on your unit's data plate or wiring diagram before ordering. Need fitment confirmation? Our HVAC parts specialists are standing by — order with confidence and get same-day shipping on in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641285923187,"sku":"CARRIE-PH4ANG024000BCAA-PRESSURE_SWITCH-312926-252","price":61.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641285955955,"sku":"CARRIE-PH4ANG024000BCAA-PRESSURE_SWITCH-312926-252-GEN","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-312926-252_26dfb2a8-3b2b-41a5-accb-7e4c9a2da820.jpg?v=1775033526","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph4ang024000bcaa-pressure-switch-1vlc9v","provider":"National HVAC Parts","version":"1.0","type":"link"}