{"product_id":"carrier-py2ppb030040nb-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 395\/295 PSI for PY2PPB030040NB","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 395\/295 PSI — HK02ZA395 for Model PY2PPB030040NB\u003c\/h1\u003e\u003cp\u003eThis OEM high pressure switch (part number \u003cstrong\u003eHK02ZA395\u003c\/strong\u003e) is the factory-specified refrigerant-side safety control for the \u003cstrong\u003eCarrier PY2PPB030040NB\u003c\/strong\u003e packaged unit. Manufactured by Sensata (PS80-03-0018 platform) to exact Carrier tolerances, this switch continuously monitors refrigerant discharge pressure and opens the compressor circuit the moment system pressure exceeds the safe threshold — protecting the compressor from catastrophic high-side failure. When this switch fails, you'll typically experience nuisance high-pressure lockouts, a compressor that won't energize, or a system that trips immediately on startup even when refrigerant charge is correct.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens at 395 PSI | Closes\/resets at 295 PSI | 1\/8\" NPT male thread fitting | 240 VAC rated | SPST normally-closed | Sensata PS80 series platform | PMAX 41 Bar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part, manufactured to exact cut-out and cut-in tolerances. Aftermarket substitutes frequently carry ±10–15% pressure variance, risking compressor failure or false tripping at the wrong threshold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Recover all refrigerant before removing the old switch (EPA 608 required). Tools needed: refrigerant recovery machine, manifold gauge set, 1\/8\" NPT wrench, Teflon tape, leak detector. Torque to manufacturer spec — do not overtighten. Recharge and verify cut-out pressure after installation.\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. Supersedes: 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for Carrier model \u003cstrong\u003ePY2PPB030040NB\u003c\/strong\u003e packaged units. Verify the existing switch's cut-out PSI rating on your unit's data plate or wiring diagram before ordering — installing an incorrect pressure rating can damage the compressor. Not sure it fits? Contact our fitment team before you order — we verify compatibility at no charge.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640523968883,"sku":"CARRIE-PY2PPB030040NB-PRESSURE_SWITCH-HK02ZA395","price":71.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640524001651,"sku":"CARRIE-PY2PPB030040NB-PRESSURE_SWITCH-HK02ZA395-GEN","price":62.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_9be1a831-0b36-4508-96f8-556925738db9.jpg?v=1775033340","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2ppb030040nb-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}