{"product_id":"payne-pressure-switch-pa12na036000aaaa","title":"OEM Payne Pressure Switch Replacement for Model PA12NA036000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Payne Pressure Switch Replacement for Model PA12NA036000AAAA\u003c\/h1\u003e\n\u003cp\u003eSafeguard your Payne PA12NA036000AAAA condensing unit with this genuine OEM pressure switch. The pressure switch continuously monitors system refrigerant pressure and shuts the compressor off if it detects an unsafe high- or low-pressure condition caused by airflow blockage, undercharge, or fan failure. When the switch fails or sticks, you may see nuisance lockouts, short cycling, or a compressor that won't start at all. This OEM part is calibrated to the precise trip and reset points engineered for your PA12NA036000AAAA, delivering reliable protection without false trips. Installation is a manageable repair of about 20-30 minutes — the switch mounts to a refrigerant port and connects with quick-disconnect terminals. Many use a Schrader-style fitting that limits refrigerant loss, but always disconnect electrical power first, follow correct safety procedures, and verify whether refrigerant recovery is needed for your setup. A new safety switch restores dependable cooling and protects your compressor investment. In stock and ships same-day on orders placed before 3PM CST.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Payne model PA12NA036000AAAA.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Payne","offers":[{"title":"Default Title","offer_id":62942540431731,"sku":"payne-pressure-switch-pa12na036000aaaa","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-pa12na036000aaaa.jpg?v=1781475821","url":"https:\/\/nationalhvacparts.com\/products\/payne-pressure-switch-pa12na036000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}