{"product_id":"carrier-py1ppb048090abaa-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 395\/295 PSI for PY1PPB048090ABAA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch HK02ZA395 — 395\/295 PSI for Model PY1PPB048090ABAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier high pressure safety switch (part number \u003cstrong\u003eHK02ZA395\u003c\/strong\u003e), factory-specified for the \u003cstrong\u003eCarrier PY1PPB048090ABAA\u003c\/strong\u003e packaged unit. The high pressure switch is a critical refrigerant-circuit safety device that monitors the high side of the refrigerant system and cuts power to the compressor if pressure exceeds a safe operating threshold. A failed or out-of-spec switch typically causes nuisance high-pressure lockouts, compressor short-cycling, or a system that trips immediately on startup — even when refrigerant charge and airflow are normal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens (trips) at \u003cstrong\u003e395 PSI\u003c\/strong\u003e | Resets (closes) at \u003cstrong\u003e295 PSI\u003c\/strong\u003e | 1\/8″ NPT fine thread port | 6(6)A rated | 240 VAC | Sensata PS80-03-0018 platform | SPST normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part (FAP), manufactured by Sensata to exact factory pressure setpoints. Aftermarket switches often carry ±10–15 PSI tolerances that can cause premature trips or fail to protect the compressor from a true overpressure event.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Recover refrigerant charge before accessing the high-side service port. Tools needed: refrigerant recovery machine, manifold gauges, 1\/2″ open-end wrench, and Teflon tape for the NPT threads. Always leak-check the port after installation before recharging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In stock — ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for Carrier model \u003cstrong\u003ePY1PPB048090ABAA\u003c\/strong\u003e. This part also supersedes legacy Carrier part numbers including 312926-217, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, HK02ZA435, HK02ZA500, and HK02ZA501 — verify your unit's data plate and existing switch PSI markings before ordering. Need help confirming fitment? Our HVAC parts specialists are standing by.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640795156851,"sku":"CARRIE-PY1PPB048090ABAA-PRESSURE_SWITCH-HK02ZA395","price":93.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640795189619,"sku":"CARRIE-PY1PPB048090ABAA-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_32a3d52f-7146-45e8-bc26-73acfca19b01.jpg?v=1775033238","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1ppb048090abaa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}