{"product_id":"payne-pa10ja060000agaa-pressure-switch-jria74","title":"OEM Payne Pressure Switch High\/Low for PA10JA060000AGAA","description":"\u003ch1\u003eOEM Payne High \u0026amp; Low Pressure Switch for Model PA10JA060000AGAA\u003c\/h1\u003e\u003cp\u003eThis OEM-certified pressure switch set — \u003cstrong\u003eHK02ZA395 (High Pressure Switch)\u003c\/strong\u003e and \u003cstrong\u003eHK02ZB028 (Low Pressure Switch)\u003c\/strong\u003e — are the factory-specified replacements for the \u003cstrong\u003ePayne PA10JA060000AGAA\u003c\/strong\u003e packaged air conditioning unit. Pressure switches monitor refrigerant pressure on both the high and low sides of the refrigerant circuit, cutting power to the compressor if pressures fall outside safe operating ranges. A failed pressure switch typically causes the system to lock out before reaching the cooling cycle, trigger nuisance tripping, or prevent the compressor from energizing altogether — even when refrigerant charge is correct.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e High Side — OEM Part HK02ZA395 | Low Side — OEM Part HK02ZB028 | Factory-calibrated cut-in\/cut-out set points | Designed for R-410A refrigerant systems | SPST normally-open or normally-closed per factory designation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are precision-calibrated to Payne's exact pressure thresholds. Aftermarket substitutes frequently carry wider set-point tolerances, risking nuisance trips or — worse — failing to protect the compressor during a genuine high-pressure event.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Refrigerant must be recovered before replacing pressure switches on the refrigerant circuit. Tools required: manifold gauge set, refrigerant recovery equipment, adjustable wrench, Schrader valve core tool, and a multimeter for continuity verification. Recommend a licensed HVAC technician for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty on both HK02ZA395 and HK02ZB028. Orders placed before cutoff ship the same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Both switches are factory-matched for the \u003cstrong\u003ePayne PA10JA060000AGAA\u003c\/strong\u003e 5-ton packaged air conditioning unit. Confirm which switch — high or low side — has failed using your manifold gauges and a multimeter before ordering. Need help identifying the correct part? Our HVAC parts specialists verify fitment before you buy. \u003cstrong\u003eIn stock and ready to ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62909221175667,"sku":"PAYNE-PA10JA060000AGAA-PRESSURE_SWITCH-HK02ZA395","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909221208435,"sku":"PAYNE-PA10JA060000AGAA-PRESSURE_SWITCH-HK02ZA395-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_81852ed2-dd0d-49b1-970b-a3a45f393d26.jpg?v=1780718445","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa10ja060000agaa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}