{"product_id":"payne-pressure-switch-pa12na04200gagaa","title":"OEM Payne Pressure Switch HK06WC078 for Model PA12NA04200GAGAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Payne Pressure Switch HK06WC078 for Model PA12NA04200GAGAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Payne pressure switch (HK06WC078) is an essential safety control that monitors refrigerant pressure in your air conditioner and shuts down the compressor if pressure rises or falls outside safe limits. Designed as a factory-direct replacement for the Payne PA12NA04200GAGAA condensing unit, it shields your compressor and coil from damage caused by overcharge, restricted airflow, dirty coils, or refrigerant loss. When a pressure switch fails or trips, you may experience no cooling, intermittent operation, or a unit that won't start—a genuine replacement restores protected, reliable performance. This is a moderate repair: disconnect power at the unit, isolate or recover refrigerant as needed, remove the wiring leads, unthread the old switch, and seat the new one with proper sealing. We recommend a licensed HVAC technician if you're not comfortable working on the sealed refrigerant circuit. OEM parts guarantee correct trip points and an exact fit. In stock now—order before 3PM CST for same-business-day shipping and minimal downtime.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Payne model PA12NA04200GAGAA.\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":62942538203507,"sku":"payne-pressure-switch-pa12na04200gagaa","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-pa12na04200gagaa.jpg?v=1781475682","url":"https:\/\/nationalhvacparts.com\/products\/payne-pressure-switch-pa12na04200gagaa","provider":"National HVAC Parts","version":"1.0","type":"link"}