{"product_id":"oem-goodman-piston-kit-for-asz130241ab-b1789857","title":"OEM Goodman Piston Kit for ASZ130241AB — B1789857","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1789857 Piston Kit\u003c\/strong\u003e is a genuine OEM metering piston (flowrator) assembly for \u003cstrong\u003eASZ130241AB\u003c\/strong\u003e ASZ13-series 2-ton heat pumps. The fixed-orifice piston meters liquid refrigerant into the evaporator or condenser coil at the correct rate for the unit's rated capacity. An incorrectly sized or worn piston causes poor subcooling\/superheat, reduced capacity, and higher energy use — so matching the exact factory orifice is essential.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1789857\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e ASZ130241AB (2-ton \/ 24,000 BTU heat pump)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Type:\u003c\/strong\u003e Heat Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fixed-orifice metering piston \/ flowrator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003egenuine Goodman OEM piston\u003c\/strong\u003e carries the precise orifice bore the ASZ13 system was engineered around. Generic pistons in the wrong bore size will mismeter refrigerant and degrade performance. OEM guarantees the correct rating for this tonnage.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eProfessional (3 of 5).\u003c\/strong\u003e The piston sits inside the liquid-line flare or coil distributor, so replacement requires refrigerant recovery, opening the flare connection, seating the piston with the pointed end toward the flow arrow, and re-evacuating\/charging. Best handled by a licensed technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058304631155,"sku":"GOODMAN-16152","price":5.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-piston-kit-for-asz130241ab-b1789857","provider":"National HVAC Parts","version":"1.0","type":"link"}