{"product_id":"carrier-ph16nc02400gabaa-pressure-switch-1vlc9v","title":"OEM Carrier Low Pressure Switch 55-23# for PH16NC02400GABAA","description":"\u003ch1\u003eOEM Carrier Low Pressure Switch 55-23# (312926-258) for Model PH16NC02400GABAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM low pressure switch (part number \u003cstrong\u003e312926-258\u003c\/strong\u003e) factory-specified for the \u003cstrong\u003eCarrier PH16NC02400GABAA\u003c\/strong\u003e heat pump. The low pressure switch continuously monitors refrigerant pressure on the low side of the system and opens the control circuit if pressure drops below a safe threshold — cutting power to the compressor before catastrophic damage can occur. When this switch fails or loses calibration, the most common symptoms are a system that won't start, a compressor that short-cycles within minutes of startup, or a fault code indicating a low pressure lockout condition. Replacing it with the correct OEM part restores factory-calibrated protection and eliminates nuisance trips caused by a faulty switch rather than an actual refrigerant issue.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 55 PSI cut-in \/ 23 PSI cut-out | Factory-calibrated diaphragm | Brass inlet connector | Pre-wired color-coded leads | Sensata PS80-02-F1270 platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This genuine Carrier OEM switch is precision-calibrated at the factory. Generic alternatives frequently have wider pressure tolerances, leading to false trips or — worse — failure to open under genuine low-pressure conditions, risking compressor burnout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Refrigerant system work requires EPA 608 certification. Tools needed: manifold gauge set, adjustable wrench, multimeter for continuity verification, and wire terminals. Always recover refrigerant to safe working pressure before disconnecting the switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for \u003cstrong\u003eCarrier PH16NC02400GABAA\u003c\/strong\u003e heat pumps. Verify the 55-23# pressure rating against your unit's data plate before ordering. Not sure if this is the right part? Our HVAC parts specialists verify fitment before you buy — call or chat now. \u003cstrong\u003eIn stock and ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641662394739,"sku":"CARRIE-PH16NC02400GABAA-PRESSURE_SWITCH-312926-258","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641662427507,"sku":"CARRIE-PH16NC02400GABAA-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_f8e0f667-8fd3-414a-aa67-d433e13eb45a.jpg?v=1775036357","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph16nc02400gabaa-pressure-switch-1vlc9v","provider":"National HVAC Parts","version":"1.0","type":"link"}