{"product_id":"carrier-ph1peb048000aaaa-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 395\/295 PSI — PH1PEB048000AAAA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 395\/295 PSI for Model PH1PEB048000AAAA\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 PH1PEB048000AAAA\u003c\/strong\u003e heat pump package unit. It monitors discharge-side refrigerant pressure and opens the circuit when pressure exceeds the factory set-point, cutting power to the compressor before catastrophic failure can occur. If your unit is tripping on high-pressure lockout, short-cycling, or displaying a fault code tied to high-side pressure, this switch is the most common culprit.\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 male thread | 240 VAC rated | Sensata PS80-03-0018 platform | OEM part numbers: HK02ZA395 (primary) \u0026amp; HK02ZB044 (companion low-pressure switch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM switches are manufactured to exact Carrier factory tolerances for cut-in\/cut-out pressure setpoints. Off-spec generic switches can trip early (nuisance lockouts) or too late (compressor damage), neither of which is acceptable in a refrigerant safety circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Recover refrigerant per EPA 608 before removing the switch. Tools needed: refrigerant recovery machine, manifold gauge set, 1-1\/16\" open-end wrench, Teflon tape, multimeter. Always confirm system pressure is at zero before loosening the switch. Recheck for leaks after reinstallation.\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 cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for \u003cstrong\u003eCarrier PH1PEB048000AAAA\u003c\/strong\u003e packaged heat pump units. Cross-references include legacy part numbers 312926-217, 71267D1, HK02ZA380, and HK02ZA396. Verify your unit's data plate and existing switch markings before ordering — if you need the companion low-pressure switch, order HK02ZB044 separately. Questions about fitment? Our HVAC parts team confirms compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641650827635,"sku":"CARRIE-PH1PEB048000AAAA-PRESSURE_SWITCH-HK02ZA395","price":72.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641650860403,"sku":"CARRIE-PH1PEB048000AAAA-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_647c5039-9151-4920-97c7-92cbfacb5c89.jpg?v=1775033374","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph1peb048000aaaa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}