{"product_id":"oem-goodman-flow-control-piston-kit-for-gsc130484ab-ac-b1789882-1","title":"OEM Goodman Flow Control Piston Kit for GSC130484AB AC — B1789882","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1789882 Flow Control Piston Kit\u003c\/strong\u003e is a genuine OEM refrigerant metering device engineered for the \u003cstrong\u003eGSC130484AB\u003c\/strong\u003e 13 SEER air conditioner and other compatible Goodman condensing units. The piston (orifice) regulates the flow of refrigerant into the evaporator coil, and using the correct factory-specified bore size is essential for proper subcooling, capacity, and efficiency. An incorrect orifice can cause flooding, frost-back, or poor cooling performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1789882\u003c\/li\u003e\n\u003cli\u003eType: Fixed-bore flow control piston \/ orifice kit\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman\u003c\/li\u003e\n\u003cli\u003eEquipment: Air Conditioner (condensing unit)\u003c\/li\u003e\n\u003cli\u003ePrimary Fit: GSC130484AB (4-ton, 13 SEER)\u003c\/li\u003e\n\u003cli\u003eMaterial: Brass orifice body with retaining components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine Goodman piston is bored to the exact specification your system was charged and rated for, guaranteeing matched capacity and warranty compliance. Generic universal piston assortments require you to identify and swap the correct bore yourself, introducing the risk of a mismatch. For a direct, worry-free replacement we recommend the OEM B1789882.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate\u003c\/strong\u003e — Requires recovering the refrigerant charge, brazing or accessing the liquid line at the metering device, replacing the piston, then pulling a vacuum and recharging. This service should be performed by an EPA-certified HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057198023027,"sku":"GOODMAN-780","price":10.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-flow-control-piston-kit-for-gsc130484ab-ac-b1789882-1","provider":"National HVAC Parts","version":"1.0","type":"link"}