{"product_id":"carrier-py2ppb036090aa-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 395\/295 PSI for PY2PPB036090AA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch HK02ZA395 — 395\/295 PSI for Model PY2PPB036090AA\u003c\/h1\u003e\u003cp\u003eThis OEM high pressure switch is the factory-specified refrigerant safety component for the \u003cstrong\u003eCarrier PY2PPB036090AA\u003c\/strong\u003e packaged unit. Mounted directly in the high-side refrigerant circuit, it continuously monitors compressor discharge pressure and opens the control circuit when pressure exceeds the factory cutout threshold — protecting the compressor from catastrophic over-pressure damage. When this switch fails or trips repeatedly, you'll see symptoms including nuisance high-pressure lockouts, compressor short-cycling, or a system that trips on a call for cooling with no obvious refrigerant fault.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens at 395 PSI | Closes at 295 PSI | 1\/8\" NPT refrigerant port | 240 VAC rated | Sensata PS80-03-0018 platform | OEM part number HK02ZA395\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 cutout pressure tolerances (±2%). Aftermarket substitutes frequently exhibit pressure drift, leading to premature compressor trips or — more dangerously — failure to open under true over-pressure conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Refrigerant circuit work. System must be recovered before replacing this switch. Tools needed: refrigerant recovery machine, manifold gauge set, 1\/8\" NPT fitting wrench, leak detector. Always verify system charge after reinstallation. Licensed technician recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for Carrier model \u003cstrong\u003ePY2PPB036090AA\u003c\/strong\u003e. Also replaces legacy part numbers 312926-217, 71267D1, HK02ZA380, and HK02ZA396 where pressure specifications match. Confirm cutout ratings on your unit's data plate before ordering. Our fitment team is available to verify compatibility — contact us before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640519577971,"sku":"CARRIE-PY2PPB036090AA-PRESSURE_SWITCH-HK02ZA395","price":72.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640519610739,"sku":"CARRIE-PY2PPB036090AA-PRESSURE_SWITCH-HK02ZA395-GEN","price":63.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_4f466218-4af1-44ce-a450-8083e0612154.jpg?v=1775033345","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2ppb036090aa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}