{"product_id":"carrier-ph14eb06000gbaab-pressure-switch-1vlc9v","title":"OEM Carrier Low Pressure Switch 55-23# for PH14EB06000GBAAB","description":"\u003ch1\u003eOEM Carrier Low Pressure Switch 55-23# (312926-258) for Model PH14EB06000GBAAB\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 PH14EB06000GBAAB\u003c\/strong\u003e heat pump. The low pressure switch continuously monitors refrigerant suction-side pressure and opens the control circuit if pressure drops below a safe threshold — protecting the compressor from catastrophic damage due to low refrigerant charge, a blocked filter, or a failing metering device. Common failure symptoms include the system locking out on a low-pressure fault code, the compressor short-cycling, or the unit running continuously with no cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 55-23# rated | Factory set open at 0.5\" W.C. \/ close at 0.75\" W.C. | Brass inlet connector | Precision-calibrated diaphragm | Pre-wired color-coded leads | Cross-references: Sensata PS80-02-F1270, PSL 312926-258, 300R18\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 pressure switches are calibrated to exact set-point tolerances. Off-brand switches frequently drift out of spec, causing nuisance trips or, worse, failing to protect the compressor when refrigerant charge is genuinely low.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Refrigerant circuit work requires an EPA 608 certified technician. Tools needed: manifold gauge set, 1\/4\" flare fittings, multimeter, wire crimps. Always recover refrigerant before disconnecting the switch. Verify system pressure after replacement.\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 Engineered for the Carrier \u003cstrong\u003ePH14EB06000GBAAB\u003c\/strong\u003e heat pump. Always verify your unit's data plate and existing switch markings before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — no guesswork, no returns.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641775935859,"sku":"CARRIE-PH14EB06000GBAAB-PRESSURE_SWITCH-312926-258","price":75.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641775968627,"sku":"CARRIE-PH14EB06000GBAAB-PRESSURE_SWITCH-312926-258-GEN","price":66.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-312926-258_35ef4b43-d17d-4189-88eb-29f2d79fd32e.jpg?v=1775036325","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph14eb06000gbaab-pressure-switch-1vlc9v","provider":"National HVAC Parts","version":"1.0","type":"link"}