{"product_id":"carrier-py2ppb060090aa-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 395\/295 PSI for PY2PPB060090AA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 395\/295 PSI — HK02ZA395 for Model PY2PPB060090AA\u003c\/h1\u003e\u003cp\u003eThis OEM high pressure switch (part number \u003cstrong\u003eHK02ZA395\u003c\/strong\u003e) is the factory-specified refrigerant-side safety device for the \u003cstrong\u003eCarrier PY2PPB060090AA\u003c\/strong\u003e packaged unit. Mounted in the high-side refrigerant circuit, it monitors discharge pressure and opens the safety circuit the moment pressure exceeds the rated cutout threshold — protecting the compressor from catastrophic over-pressure damage. When this switch fails or drifts out of calibration, you'll typically experience nuisance high-pressure lockouts, a compressor that won't energize, or a system that trips on a fault code immediately after startup even when refrigerant charge appears normal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens (cutout) at 395 PSI | Closes (cut-in) at 295 PSI | 240 VAC rated | 1\/8\" NPT refrigerant port | SPST normally-closed contact | Sensata \/ Pressurestat platform (PS80-03-0018)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM HK02ZA395 is factory-calibrated to ±1% pressure tolerance, ensuring precise cutout protection. Generic substitutes often drift ±5–8%, risking either nuisance trips or — more dangerously — failure to protect the compressor at true over-pressure conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Refrigerant-side work. A certified EPA 608 technician must recover refrigerant before replacing this switch. Tools needed: manifold gauge set, refrigerant recovery machine, adjustable wrench, leak detector, and multimeter to verify switch continuity post-install. Always verify system charge after reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before 3 PM ship 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 the Carrier \u003cstrong\u003ePY2PPB060090AA\u003c\/strong\u003e packaged unit. Also supersedes legacy part numbers including 312926-217, 71267D1, HK02ZA380, HK02ZA396, 19240027, HK02ZA400, 312926-225, 312926-226, 312926-233, HK02ZA401, HK02ZA435, HK02ZA500, and HK02ZA501. Confirm your unit's data plate and existing switch pressure ratings before ordering. Our fitment team is available to verify compatibility — reach out before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640503947635,"sku":"CARRIE-PY2PPB060090AA-PRESSURE_SWITCH-HK02ZA395","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640503980403,"sku":"CARRIE-PY2PPB060090AA-PRESSURE_SWITCH-HK02ZA395-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_7d3db31f-0f5f-4e9c-97ec-98aa8dabb1db.jpg?v=1775033357","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2ppb060090aa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}