{"product_id":"carrier-py1peb048090abaa-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 395\/295 PSI HK02ZA395 — PY1PEB048090A","description":"\u003ch1\u003eOEM Carrier High Pressure Switch HK02ZA395 — 395\/295 PSI for Model PY1PEB048090ABAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier high pressure safety switch (Part # HK02ZA395) factory-specified for the \u003cstrong\u003eCarrier PY1PEB048090ABAA\u003c\/strong\u003e packaged heat pump unit. The high pressure switch is a critical refrigerant-circuit safety device that monitors system discharge pressure at all times. When refrigerant pressure rises to an unsafe level — due to a dirty condenser coil, failed condenser fan, refrigerant overcharge, or restricted airflow — the switch opens at \u003cstrong\u003e395 PSI\u003c\/strong\u003e and interrupts the compressor circuit to prevent catastrophic compressor failure. The circuit resets when pressure drops back to \u003cstrong\u003e295 PSI\u003c\/strong\u003e. Symptoms of a failed switch include nuisance high-pressure lockouts, fault codes on the control board, or a compressor that shuts down shortly after starting even when system pressures are normal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Open (cut-out) pressure: 395 PSI | Close (cut-in) pressure: 295 PSI | Electrical rating: 6(6)A @ 240 VAC | Connection: 1\/8\" NPT fine thread with quick-connect blade terminals | Manufactured by Sensata (PS80-03-0018), Carrier Factory Authorized Part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM switch is calibrated to exact factory cut-out\/cut-in tolerances. Generic switches often carry wider PSI tolerances that can allow over-pressure conditions to persist longer, risking compressor damage and voiding equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Refrigerant circuit work requires an EPA 608 certified technician. The system must be fully recovered before replacing the switch. Tools needed: manifold gauge set, 1\/8\" NPT tap\/fitting, leak detector, and refrigerant recovery equipment. Always verify system pressure after reinstallation before recharging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered before 3PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for Carrier model \u003cstrong\u003ePY1PEB048090ABAA\u003c\/strong\u003e. Also replaces legacy part numbers: 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, HK02ZA435, HK02ZA500, and HK02ZA501. Verify the PSI rating on your existing switch before ordering. In stock and ready to ship — order now and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641081516403,"sku":"CARRIE-PY1PEB048090ABAA-PRESSURE_SWITCH-HK02ZA395","price":93.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641081549171,"sku":"CARRIE-PY1PEB048090ABAA-PRESSURE_SWITCH-HK02ZA395-GEN","price":82.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_ad10e368-bf6d-4825-9c04-feae875f08af.jpg?v=1775033372","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1peb048090abaa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}