{"product_id":"carrier-py1peb060090aaaa-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 406\/300 PSI — PY1PEB060090AAAA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch HK02ZA395 — 406\/300 PSI for Model PY1PEB060090AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-replacement high pressure switch (part number \u003cstrong\u003eHK02ZA395\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PY1PEB060090AAAA\u003c\/strong\u003e packaged unit. The high pressure switch is a critical refrigerant-side safety device: it continuously monitors system high-side pressure and opens the circuit to shut down the compressor if refrigerant pressure rises to a dangerous level — protecting the compressor, refrigerant circuit, and heat exchanger from catastrophic failure. A failed or faulty high pressure switch typically causes nuisance lockouts, compressor short-cycling, or a system that trips immediately on startup even when pressures are normal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens at \u003cstrong\u003e406 PSI\u003c\/strong\u003e | Closes (resets) at \u003cstrong\u003e295 PSI\u003c\/strong\u003e | Electrical rating: \u003cstrong\u003e6(6)A @ 240 VAC\u003c\/strong\u003e | Max pressure: 41 Bar (PMAX 41B) | Manufacturer: Sensata (PS80-03-0018) | OEM part: HK02ZA395 \/ HK02ZA395A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part — not an aftermarket substitute. OEM pressure switches are calibrated to exact open\/close pressure setpoints. Off-brand substitutes frequently drift from their rated setpoints, triggering false lockouts or — more dangerously — failing to trip at true high-pressure events.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Refrigerant-side work requires EPA 608 certification. Safely recover or isolate refrigerant before disconnecting the switch from the high-side service port or line. Tools needed: refrigerant recovery unit, manifold gauge set, 1\/4\" flare wrench, multimeter (to confirm open\/close across switch terminals before reinstall). Label and photograph wiring before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty against defects. In stock and ships same business day from our warehouse — get your system back online fast.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the exact OEM replacement for \u003cstrong\u003eCarrier model PY1PEB060090AAAA\u003c\/strong\u003e. Also replaces legacy Carrier part numbers including 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, HK02ZA435, HK02ZA500, and HK02ZA501 where pressure setpoints match. Always verify your unit's data plate and original part number before ordering. Our HVAC parts specialists are standing by to confirm fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641023779187,"sku":"CARRIE-PY1PEB060090AAAA-PRESSURE_SWITCH-HK02ZA395","price":97.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641023811955,"sku":"CARRIE-PY1PEB060090AAAA-PRESSURE_SWITCH-HK02ZA395-GEN","price":85.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_0ddcdfda-6f4a-4c30-a3bf-4e3ce2553456.jpg?v=1775033421","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1peb060090aaaa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}