{"product_id":"carrier-ph13nb06000gabaa-pressure-switch-1vlc9v","title":"OEM Carrier High \u0026 Low Pressure Switch Kit for PH13NB06000GABAA","description":"\u003ch1\u003eOEM Carrier High \u0026amp; Low Pressure Switch Kit — 312926-252 \u0026amp; 312926-258 for Model PH13NB06000GABAA\u003c\/h1\u003e\u003cp\u003eThese two OEM Carrier pressure switches are the factory-specified refrigerant safety controls for the \u003cstrong\u003eCarrier PH13NB06000GABAA\u003c\/strong\u003e packaged heat pump unit. The \u003cstrong\u003ehigh pressure switch (312926-252, 670-470 PSI)\u003c\/strong\u003e monitors the high side of the refrigerant circuit and opens the compressor circuit if discharge pressure exceeds safe limits. The \u003cstrong\u003elow pressure switch (312926-258, 55-23 PSI)\u003c\/strong\u003e monitors the low side and shuts the compressor down if suction pressure drops below the safe threshold — a common symptom being a unit that cools briefly then locks out, or fails to start entirely. Together, these two switches protect the compressor from catastrophic over- or under-pressure damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs — High Pressure Switch (312926-252):\u003c\/strong\u003e 670 PSI cut-out \/ 470 PSI cut-in | Normally closed | OEM Factory Authorized Part | Replaces: 312926252\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs — Low Pressure Switch (312926-258):\u003c\/strong\u003e 55 PSI cut-out \/ 23 PSI cut-in | Normally closed | OEM Factory Authorized Part | Replaces: 312926258\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e These are genuine Carrier Factory Authorized Parts engineered to exact cut-in\/cut-out tolerances. Aftermarket pressure switches frequently drift outside factory calibration, leading to nuisance lockouts or, worse, inadequate compressor protection and premature failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Refrigerant circuit must be recovered before replacing either switch. Tools required: manifold gauge set, recovery machine, torque wrench, and multimeter to verify continuity before recharge. Always de-energize the unit and follow ASHRAE 15 safety protocols. Installation by an EPA 608-certified technician is strongly recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty on both parts. Orders ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PH13NB06000GABAA\u003c\/strong\u003e packaged heat pump system. Confirm refrigerant type and pressure switch PSI ratings against your unit's data plate and wiring diagram before ordering. Both switches are sold as an OEM-matched pair for complete refrigerant circuit protection. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — in stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641899241843,"sku":"CARRIE-PH13NB06000GABAA-PRESSURE_SWITCH-312926-252","price":65.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641899274611,"sku":"CARRIE-PH13NB06000GABAA-PRESSURE_SWITCH-312926-252-GEN","price":57.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-312926-252_b13ae916-61d1-4fad-ac26-6254e6d29e24.jpg?v=1775033036","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nb06000gabaa-pressure-switch-1vlc9v","provider":"National HVAC Parts","version":"1.0","type":"link"}