{"product_id":"carrier-ph4ang060000bcaa-pressure-switch-1vlc9v","title":"OEM Carrier High Pressure Switch 312926-252 for PH4ANG060000BCAA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 312926-252 for Model PH4ANG060000BCAA\u003c\/h1\u003e\u003cp\u003eThis OEM high pressure switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PH4ANG060000BCAA\u003c\/strong\u003e packaged heat pump unit. The high pressure switch monitors refrigerant pressure on the discharge side of the compressor and opens the circuit when pressure exceeds safe operating limits — protecting the compressor from catastrophic failure. When this switch fails or trips repeatedly, the system will enter a lockout condition, producing no cooling or heating and often triggering a fault code on the control board.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part# 312926-252 | High-side pressure switch | Factory-calibrated cut-out and cut-in set points | Matches original wiring connector and mounting footprint exactly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM part, manufactured to exact factory pressure thresholds. Aftermarket switches often use loose-tolerance set points that can allow unsafe pressure excursions, shorten compressor life, or nuisance-trip under normal operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Refrigerant circuit must be properly isolated before replacement. Tools needed: manifold gauge set, adjustable wrench, 1\/4\" nut driver, multimeter. EPA Section 608 certification required to handle refrigerant. Always recover refrigerant per local regulations.\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 Engineered as a direct OEM fit for the Carrier \u003cstrong\u003ePH4ANG060000BCAA\u003c\/strong\u003e 5-ton packaged heat pump. Always verify your unit's model and data plate specifications before ordering. Our fitment team is available to confirm compatibility before you purchase — order with confidence.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641241260403,"sku":"CARRIE-PH4ANG060000BCAA-PRESSURE_SWITCH-312926-252","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641241293171,"sku":"CARRIE-PH4ANG060000BCAA-PRESSURE_SWITCH-312926-252-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-312926-252_cfd1974f-c97e-40f8-ac02-826d2094d661.jpg?v=1775033186","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph4ang060000bcaa-pressure-switch-1vlc9v","provider":"National HVAC Parts","version":"1.0","type":"link"}