{"product_id":"carrier-ph14eb04800gbaab-pressure-switch-1vlc9v","title":"OEM Carrier Low Pressure Switch 55-23# for PH14EB04800GBAAB","description":"\u003ch1\u003eOEM Carrier Low Pressure Switch 55-23# for Model PH14EB04800GBAAB\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier low pressure switch (part number \u003cstrong\u003e312926-258\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier PH14EB04800GBAAB\u003c\/strong\u003e heat pump. The low pressure switch monitors refrigerant pressure on the suction side of the system and acts as a critical safeguard: when pressure drops below the rated threshold, the switch opens the control circuit, cutting compressor operation to prevent damage from loss of refrigerant charge, restricted airflow, or a locked-out evaporator coil. Common failure symptoms include the system refusing to start, the compressor shutting down shortly after initiation, or a low-pressure fault code appearing on the thermostat or control board.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 55-23# rated | Low-pressure normally-closed switch | Brass inlet connector | Precision-calibrated diaphragm | Pre-wired color-coded leads for fast connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM part is manufactured to Carrier's exact factory tolerances for cut-in and cut-out pressure, ensuring accurate refrigerant circuit protection. Aftermarket switches often carry wider tolerances that can allow the compressor to run under unsafe conditions or trigger nuisance trips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Refrigerant recovery is required before replacing this switch. Tools needed: manifold gauge set, refrigerant recovery machine, adjustable wrench, multimeter, and safety glasses. Always recover refrigerant per EPA Section 608 regulations before disconnecting the switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. 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 Designed for the Carrier \u003cstrong\u003ePH14EB04800GBAAB\u003c\/strong\u003e heat pump. Verify your unit's data plate and existing switch markings against part number 312926-258 before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before every order — contact us before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641776132467,"sku":"CARRIE-PH14EB04800GBAAB-PRESSURE_SWITCH-312926-258","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641776165235,"sku":"CARRIE-PH14EB04800GBAAB-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_59ef3c4e-f69f-4d73-8f4a-1761478a075e.jpg?v=1775036320","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph14eb04800gbaab-pressure-switch-1vlc9v","provider":"National HVAC Parts","version":"1.0","type":"link"}