{"product_id":"carrier-ph1pea060000aaba-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 406\/300 PSI for PH1PEA060000AABA","description":"\u003ch1\u003eOEM Carrier High Pressure Switch HK02ZA395 — 406\/300 PSI for Model PH1PEA060000AABA\u003c\/h1\u003e\u003cp\u003eThis OEM high-pressure safety switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PH1PEA060000AABA\u003c\/strong\u003e packaged heat pump unit. The high-pressure switch continuously monitors refrigerant circuit pressure on the discharge side of the compressor. When system pressure exceeds the rated cutout threshold — due to a blocked condenser coil, failed condenser fan motor, refrigerant overcharge, or restricted airflow — the switch opens the safety circuit and locks out the compressor, protecting it from catastrophic failure. Symptoms of a failed switch include nuisance high-pressure faults, a compressor that won't energize, or a system that trips immediately after startup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecifications:\u003c\/strong\u003e Opens at 406 PSI | Closes at 300 PSI | 1\/8\" NPT male thread | 240 VAC rated | SPST normally closed | Sensata PS80-03-0018 platform | OEM Part Numbers: HK02ZA395 (High Pressure Switch) \u0026amp; HK02ZB044 (Low Pressure Switch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM part engineered to exact factory pressure thresholds. Aftermarket switches often carry wider ±5–10% tolerance bands on open\/close setpoints, risking either nuisance trips or delayed cutout — both of which shorten compressor life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires EPA 608 certification to handle refrigerant. The system must be recovered or isolated before replacing the high-pressure switch. Tools needed: refrigerant manifold gauges, adjustable wrench, thread sealant tape, and a multimeter to verify continuity after installation. Always confirm the root cause of the high-pressure fault before replacing the switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PH1PEA060000AABA\u003c\/strong\u003e 5-ton packaged heat pump unit. Also cross-references legacy part numbers 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, HK02ZA435, HK02ZA500, and HK02ZA501. Verify your unit's data plate and existing switch thread size before ordering. Our technical team is available to confirm fitment — contact us before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641660625267,"sku":"CARRIE-PH1PEA060000AABA-PRESSURE_SWITCH-HK02ZA395","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641660658035,"sku":"CARRIE-PH1PEA060000AABA-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_0f9723cd-5f6b-4105-b63f-a1404c9d22be.jpg?v=1775033394","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph1pea060000aaba-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}