{"product_id":"payne-pressure-switch-pa12na04200gahaa","title":"OEM Payne Pressure Switch HK06WC078 for Model PA12NA04200GAHAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Payne Pressure Switch HK06WC078 for Model PA12NA04200GAHAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Payne pressure switch (HK06WC078) safeguards your air conditioning system by continuously monitoring refrigerant pressure and disabling the compressor if it reaches an unsafe high or low limit. Engineered as a factory-direct replacement for the Payne PA12NA04200GAHAA condenser, it protects your compressor and coil from damage caused by overcharging, dirty coils, blocked airflow, or refrigerant leaks. A faulty pressure switch can cause no-cooling conditions, nuisance trips, or a unit that won't start—installing a genuine replacement restores proper protected operation. This is a moderate-difficulty repair: turn off power at the disconnect, isolate or recover refrigerant as needed, remove the wiring leads, unthread the old switch, and install the new one with correct sealing. If you're not experienced with sealed refrigerant systems, we recommend a licensed HVAC technician. OEM parts guarantee accurate trip thresholds and an exact fit your system was engineered for. In stock now—place your order before 3PM CST and it ships the same business day for fast delivery and minimal downtime.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Payne model PA12NA04200GAHAA.\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":62942538105203,"sku":"payne-pressure-switch-pa12na04200gahaa","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-pa12na04200gahaa.jpg?v=1781475683","url":"https:\/\/nationalhvacparts.com\/products\/payne-pressure-switch-pa12na04200gahaa","provider":"National HVAC Parts","version":"1.0","type":"link"}