{"product_id":"carrier-ph15nb06000gbaaa-pressure-switch-1vlc9v","title":"OEM Carrier High Pressure Switch 670-470# for PH15NB06000GBAAA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 312926-252 (670-470#) for Model PH15NB06000GBAAA\u003c\/h1\u003e\u003cp\u003eThe \u003cstrong\u003eCarrier 312926-252\u003c\/strong\u003e is a factory OEM High Pressure Switch rated at \u003cstrong\u003e670 PSIG cut-out \/ 470 PSIG cut-in\u003c\/strong\u003e. It is a critical refrigerant-circuit safety device on the \u003cstrong\u003ePH15NB06000GBAAA\u003c\/strong\u003e package heat pump unit. Its role is to monitor high-side refrigerant pressure and open the control circuit if pressure exceeds the safe operating threshold — protecting the compressor from catastrophic damage caused by over-pressurization. Common failure symptoms include nuisance high-pressure lockouts, fault codes indicating a high-pressure trip, compressor short-cycling, or a complete no-cooling\/no-heating condition with a diagnostic LED fault on the control board.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 670 PSIG cut-out | 470 PSIG cut-in | Factory Authorized Part (FAP) | Sensata \/ RCD-series construction | Brass inlet connector | Pre-wired leads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part (FAP), manufactured to exact OEM pressure set-points. Generic switches often carry ±10–15% tolerance on trip pressure, which can allow unsafe over-pressure events or cause false nuisance trips — neither is acceptable in a refrigerant circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Refrigerant recovery is required before replacing a pressure switch. This repair must be performed by an EPA 608-certified technician. Tools needed: manifold gauge set, refrigerant recovery machine, torque wrench, multimeter. Always verify the system is fully depressurized before disconnecting the switch.\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 Designed for the Carrier \u003cstrong\u003ePH15NB06000GBAAA\u003c\/strong\u003e packaged heat pump unit. This listing covers the \u003cstrong\u003eHigh Pressure Switch (312926-252)\u003c\/strong\u003e. If your unit also requires the companion \u003cstrong\u003eLow Pressure Switch, order part 312926-258\u003c\/strong\u003e (55-23# cut-out\/cut-in). Always cross-reference your unit's data plate and wiring diagram before ordering. Our fitment team is available to confirm compatibility before you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641667572083,"sku":"CARRIE-PH15NB06000GBAAA-PRESSURE_SWITCH-312926-252","price":61.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641667604851,"sku":"CARRIE-PH15NB06000GBAAA-PRESSURE_SWITCH-312926-252-GEN","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-312926-252_8474855c-db4c-4d09-9b62-c9b5f32a9682.jpg?v=1775033484","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph15nb06000gbaaa-pressure-switch-1vlc9v","provider":"National HVAC Parts","version":"1.0","type":"link"}