{"product_id":"carrier-py1ppb048130abaa-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 395\/295 PSI for PY1PPB048130ABAA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 395\/295 PSI — HK02ZA395 for Model PY1PPB048130ABAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM high-pressure safety switch for the \u003cstrong\u003eCarrier PY1PPB048130ABAA\u003c\/strong\u003e packaged unit. The high-pressure switch is a critical refrigerant-circuit safety device: it continuously monitors refrigerant discharge pressure and opens the circuit to shut down the compressor if pressure exceeds the factory-set cutout threshold. A faulty high-pressure switch causes one of two failure modes — nuisance tripping that shuts the system down even under normal operating conditions, or a switch that fails to open, allowing dangerous over-pressure events that can damage the compressor. Replacing it with the correct OEM part restores factory-calibrated protection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens (cutout) at \u003cstrong\u003e395 PSI\u003c\/strong\u003e | Closes (reset) at \u003cstrong\u003e295 PSI\u003c\/strong\u003e | 1\/8\" NPT thread connection | 240 VAC rated | Sensata PS80-03-0018 platform | Part No. \u003cstrong\u003eHK02ZA395\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM switches are factory-calibrated to exact cut-in\/cut-out pressures (±2%). Aftermarket alternatives often carry wider tolerances, risking either premature trips or delayed shutoff — both costly outcomes for compressor longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Refrigerant system work requires an EPA Section 608 certified technician. The system must be recovered before replacing this switch. Tools needed: manifold gauge set, refrigerant recovery unit, adjustable wrench, thread-seal tape. Always verify system pressure after re-installation before restart.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock orders ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Factory-specified replacement for Carrier model \u003cstrong\u003ePY1PPB048130ABAA\u003c\/strong\u003e packaged units. Also replaces legacy part numbers 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, and HK02ZA401. Always confirm the PSI rating on your unit's data plate before ordering. Need fitment verification? Our HVAC parts specialists confirm compatibility before you buy — in stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640788636019,"sku":"CARRIE-PY1PPB048130ABAA-PRESSURE_SWITCH-HK02ZA395","price":77.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640788668787,"sku":"CARRIE-PY1PPB048130ABAA-PRESSURE_SWITCH-HK02ZA395-GEN","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_25f51845-187d-4377-94d5-1b55b3733667.jpg?v=1775033245","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1ppb048130abaa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}