{"product_id":"carrier-ph16nc06000gabaa-pressure-switch-1vlc9v","title":"OEM Carrier Low Pressure Switch 55-23# for PH16NC06000GABAA","description":"\u003ch1\u003eOEM Carrier Low Pressure Switch 55-23# (312926-258) for Model PH16NC06000GABAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier low pressure switch (part number \u003cstrong\u003e312926-258\u003c\/strong\u003e), factory-specified for the \u003cstrong\u003eCarrier PH16NC06000GABAA\u003c\/strong\u003e heat pump. The low pressure switch continuously monitors refrigerant pressure on the low side of the system. When pressure drops below the factory-set threshold — due to refrigerant loss, a blocked metering device, or a failing expansion valve — the switch opens and cuts power to the compressor, preventing catastrophic damage from a low-charge run condition. If your system is short-cycling, locking out on a fault code, or the compressor shuts off shortly after startup, a failed low pressure switch is one of the first components to check.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 55-23# rated | Cut-out: 55 PSIG | Cut-in: 23 PSIG | Brass inlet connector | Precision-calibrated diaphragm | Factory-authorized OEM replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part — not an aftermarket substitute. OEM switches are calibrated to exact cut-in\/cut-out pressures. Generic alternatives may drift outside specification, causing nuisance lockouts or, worse, failing to protect the compressor under a true low-charge condition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Refrigerant recovery is required before replacing a low-side pressure switch. Tools needed: refrigerant recovery machine, manifold gauge set, adjustable wrench, and a multimeter to verify continuity across switch terminals before re-commissioning. This repair should 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 the Carrier \u003cstrong\u003ePH16NC06000GABAA\u003c\/strong\u003e heat pump. Always verify the part number printed on your existing switch label before ordering. Our fitment team is available to confirm compatibility — reach out before you buy if you have any questions. Order today and receive same-day shipping on all in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641623138675,"sku":"CARRIE-PH16NC06000GABAA-PRESSURE_SWITCH-312926-258","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641623171443,"sku":"CARRIE-PH16NC06000GABAA-PRESSURE_SWITCH-312926-258-GEN","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-312926-258_e830130d-39f8-4bd2-a4e4-fb56030f55a6.jpg?v=1775036364","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph16nc06000gabaa-pressure-switch-1vlc9v","provider":"National HVAC Parts","version":"1.0","type":"link"}