{"product_id":"oem-goodman-piston-flow-kit-for-asz130241ah-heat-pump-b1789857","title":"OEM Goodman Piston \/ Flow Kit for ASZ130241AH Heat Pump — B1789857","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1789857 Piston Kit\u003c\/strong\u003e is a genuine OEM refrigerant metering piston (flowrator) for the \u003cstrong\u003eASZ130241AH\u003c\/strong\u003e 13 SEER, 2‑ton (24,000 BTU) R‑410A heat pump. The piston seats in the liquid-line fitting and provides the precise orifice restriction that meters refrigerant into the indoor or outdoor coil, setting the correct superheat and subcooling for rated capacity and efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fixed-orifice metering piston \/ flowrator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman ASZ130241AH and matched ASZ13-series systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant:\u003c\/strong\u003e R‑410A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Meters refrigerant flow to the coil for proper superheat\/subcooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrifice:\u003c\/strong\u003e Factory-drilled to the AHRI-matched tonnage for this model\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e Piston orifice diameter is measured in thousandths of an inch and is matched to the exact indoor\/outdoor coil pairing. A generic piston of the wrong bore starves or floods the coil, killing capacity and risking compressor damage. OEM ensures the drilled size matches Goodman's AHRI-certified combination.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall difficulty:\u003c\/strong\u003e Advanced (4\/5). Requires recovering refrigerant, opening the liquid-line flare\/fitting, swapping the piston and O-ring, then evacuating and recharging. EPA-certified technician recommended.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058305712499,"sku":"GOODMAN-16182","price":5.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-piston-flow-kit-for-asz130241ah-heat-pump-b1789857","provider":"National HVAC Parts","version":"1.0","type":"link"}