{"product_id":"payne-pa13pr060000aaaa-pressure-switch-jria74","title":"OEM Payne Pressure Switch Kit for PA13PR060000AAAA — HK02ZA395 \/ HK02Z","description":"\u003ch1\u003eOEM Payne High \u0026amp; Low Pressure Switch Kit for Model PA13PR060000AAAA\u003c\/h1\u003e\u003cp\u003eThese are the factory-specified OEM replacement pressure switches for the \u003cstrong\u003ePayne PA13PR060000AAAA\u003c\/strong\u003e packaged heat pump unit. The pressure switch monitors refrigerant pressure on both the high and low sides of the refrigerant circuit, acting as a safety device that shuts down or prevents operation when pressure falls outside safe operating limits. When either switch fails, the system may refuse to start, trip into lockout mode, or cycle off immediately after initiating — symptoms often misdiagnosed as a refrigerant or compressor issue. Replacing the correct switch restores normal operation quickly and prevents compressor damage from running under unsafe pressure conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Includes \u003cstrong\u003eHK02ZA395\u003c\/strong\u003e (High Pressure Switch) and \u003cstrong\u003eHK02ZB028\u003c\/strong\u003e (Low Pressure Switch) | Factory-rated trip points matched to PA13PR060000AAAA refrigerant circuit | Spade terminal connections | Compatible with R-410A refrigerant system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches use factory-calibrated trip points ensuring the compressor is protected at exactly the pressures Payne engineered for this unit. Generic switches often carry wider tolerances, risking nuisance trips or — worse — failing to protect your compressor under true fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Refrigerant circuit work requires EPA 608 certification. However, switch replacement itself is a low-voltage wiring task once the unit is safely shut down. Tools needed: multimeter, flat-head screwdriver, needle-nose pliers. Always shut off power at the disconnect before beginning. Photograph all wiring before disconnecting terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty on both switches. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This listing covers both the high-side (HK02ZA395) and low-side (HK02ZB028) pressure switches for the \u003cstrong\u003ePayne PA13PR060000AAAA\u003c\/strong\u003e 5-ton packaged heat pump. Verify your failed switch — high or low side — against your unit's wiring diagram before installation. Not sure which switch you need? Our HVAC parts specialists confirm fitment before you order — call or chat today. \u003cstrong\u003eIn stock and ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62909065625971,"sku":"PAYNE-PA13PR060000AAAA-PRESSURE_SWITCH-HK02ZA395","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909065658739,"sku":"PAYNE-PA13PR060000AAAA-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_80a04806-c8dc-43eb-9cd9-e4e7ae380131.jpg?v=1780718628","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa13pr060000aaaa-pressure-switch-jria74","provider":"National HVAC Parts","version":"1.0","type":"link"}