{"product_id":"carrier-py2peb060090nb-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 406\/300 PSI for PY2PEB060090NB","description":"\u003ch1\u003eOEM Carrier High Pressure Switch HK02ZA395 — 406\/300 PSI for Model PY2PEB060090NB\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM high pressure switch (part number \u003cstrong\u003eHK02ZA395\u003c\/strong\u003e) factory-specified for the \u003cstrong\u003eCarrier PY2PEB060090NB\u003c\/strong\u003e packaged heat pump unit. The high pressure switch is a critical refrigerant-circuit safety device: it continuously monitors refrigerant discharge pressure and cuts power to the compressor when pressure exceeds safe limits, protecting your system from catastrophic compressor failure. When this switch fails — either stuck open or with a weakened diaphragm — you'll experience symptoms including nuisance high-pressure lockouts, compressor shutdowns on warm days, or a system that trips a fault code and refuses to restart without a manual reset.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens at 395 PSI (406# rated) | Closes at 295 PSI (300# rated) | 1\/8\" NPT thread fitting | 240 VAC rated | Sensata PS80-03-0018 platform | Replaces: 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, HK02ZA435, HK02ZA500, HK02ZA501\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a \u003cem\u003egenuine Carrier OEM part\u003c\/em\u003e manufactured to exact factory pressure-trip tolerances. Aftermarket switches often have wider setpoint tolerances (±10–15 PSI), which can result in insufficient compressor protection or false lockouts — risking expensive compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Refrigerant system work requires an EPA 608-certified technician. The refrigerant circuit must be recovered before replacing this switch. Tools needed: refrigerant recovery machine, manifold gauge set, adjustable wrench, leak detector, and wire terminals. Always verify system pressure with gauges after reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our warehouse. Free shipping on qualifying orders.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the \u003cstrong\u003eCarrier PY2PEB060090NB\u003c\/strong\u003e packaged heat pump system. Always verify the PSI setpoints on your unit's existing switch and the data plate before ordering. Our fitment team is available to confirm compatibility before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640562766195,"sku":"CARRIE-PY2PEB060090NB-PRESSURE_SWITCH-HK02ZA395","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640562798963,"sku":"CARRIE-PY2PEB060090NB-PRESSURE_SWITCH-HK02ZA395-GEN","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_4d6a7ab1-793f-4145-ab51-d39aa082f79e.jpg?v=1775033409","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2peb060090nb-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}