{"product_id":"carrier-py1peb048090nbaa-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 395\/295 PSI for PY1PEB048090NBAA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch HK02ZA395 — 395\/295 PSI for Model PY1PEB048090NBAA\u003c\/h1\u003e\u003cp\u003eThe \u003cstrong\u003eCarrier HK02ZA395\u003c\/strong\u003e is the factory-specified OEM high pressure safety switch for the \u003cstrong\u003ePY1PEB048090NBAA\u003c\/strong\u003e packaged unit. This refrigerant-side protection device continuously monitors system high-side pressure and cuts power to the compressor circuit when pressure exceeds the safe operating threshold. A failed or out-of-calibration high pressure switch typically causes nuisance compressor lockouts, repeated fault codes, or a system that trips immediately on startup — symptoms that mimic refrigerant overcharge or a failed condenser fan but are traced directly to the switch.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens at 395 PSI | Closes (resets) at 295 PSI | 1\/8\" NPT port | 240 VAC rated | Sensata PS80-03-0018 platform | Replaces HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM switches maintain factory-calibrated trip points (±3%). Aftermarket alternatives often drift outside tolerance, causing premature trips or — more dangerously — failing to open under true high-pressure conditions that risk compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Recover refrigerant before removing the switch if system pressure is present. Tools needed: adjustable wrench, Teflon tape, manifold gauge set, multimeter (continuity check post-install). Torque to spec — overtightening cracks the brass port body.\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 by 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for Carrier model \u003cstrong\u003ePY1PEB048090NBAA\u003c\/strong\u003e packaged unit. Cross-references: 312926-217, 71267D1, HK02ZA380, HK02ZA396, 19240027, HK02ZA400, 312926-225, 312926-226, 312926-233, HK02ZA401. Verify your unit's data plate pressure switch specification before ordering. Have a question about fitment? Our certified HVAC parts team confirms compatibility before you buy — contact us before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641074536819,"sku":"CARRIE-PY1PEB048090NBAA-PRESSURE_SWITCH-HK02ZA395","price":85.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641074569587,"sku":"CARRIE-PY1PEB048090NBAA-PRESSURE_SWITCH-HK02ZA395-GEN","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_b684b584-fcef-48fd-a853-f222e0b16ae1.jpg?v=1775033223","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1peb048090nbaa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}