{"product_id":"lennox-19j31-dual-run-capacitor-55-5-mfd-440-vac-round","title":"Lennox 19J31 Dual Run Capacitor – 55\/5 MFD, 440 VAC, Round","description":"\u003ch1 class=\"MsoNormal\"\u003e\u003cb\u003eFirstChoice® 19J31 Dual Run Capacitor – 55\/5 MFD, 440 VAC, Round\u003c\/b\u003e\u003c\/h1\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eFirstChoice® 19J31 Dual Run Capacitor\u003c\/b\u003e is a reliable HVAC replacement capacitor designed to support both the \u003cb\u003ecompressor and condenser fan motor\u003c\/b\u003e from a single component. Rated at \u003cb\u003e55\/5 MFD\u003c\/b\u003e and \u003cb\u003e440 VAC\u003c\/b\u003e, this round dual run capacitor is suitable for residential and light commercial air conditioning and heat pump applications requiring these electrical specifications.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe dual-section design combines a \u003cb\u003e55 MFD compressor section\u003c\/b\u003e and a \u003cb\u003e5 MFD fan section\u003c\/b\u003e, helping maintain proper motor operation and efficient HVAC performance. Its round configuration makes the 19J31 a convenient replacement option for compatible condenser units using a 55\/5 MFD dual run capacitor.\u003c\/p\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\" style=\"text-align: center;\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eKey Features and Function:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003e55\/5 MFD Dual Capacitance\u003c\/b\u003e – Provides separate capacitance for the compressor and condenser fan motor\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003e440 VAC Rating\u003c\/b\u003e – Designed for demanding HVAC motor applications\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eDual Run Design\u003c\/b\u003e – Combines two run capacitors into one convenient component\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eRound Configuration\u003c\/b\u003e – Fits compatible round capacitor mounting brackets\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eHVAC Replacement Application\u003c\/b\u003e – Suitable for air conditioners, heat pumps, and condensing units\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eThree-Terminal Design\u003c\/b\u003e – Provides common, compressor, and fan connections\u003c\/p\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\" style=\"text-align: center;\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eProduct Details and Key Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eCatalog Number:\u003c\/b\u003e 19J31\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eModel\/Part Number:\u003c\/b\u003e 19J31\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eManufacturer:\u003c\/b\u003e FirstChoice®\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003ePart Type:\u003c\/b\u003e Dual Run Capacitor\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eCapacitance:\u003c\/b\u003e 55\/5 MFD (µF)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eCompressor Section:\u003c\/b\u003e 55 MFD\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eFan Section:\u003c\/b\u003e 5 MFD\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eVoltage Rating:\u003c\/b\u003e 440 VAC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eShape:\u003c\/b\u003e Round\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eApplication:\u003c\/b\u003e Air Conditioners, Heat Pumps, and Condensing Units\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eFunction:\u003c\/b\u003e Supports Compressor and Condenser Fan Motor Operation\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eTerminal Identification:\u003c\/b\u003e C (Common), HERM (Compressor), FAN (Fan Motor)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eInstallation Type:\u003c\/b\u003e Replacement HVAC Run Capacitor\u003c\/p\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\" style=\"text-align: center;\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e🛠️\u003c\/span\u003e HVAC Depot Pro Tip: Match Both MFD Ratings Exactly\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eWhen replacing a dual run capacitor, match both capacitance values to the equipment specifications. For the \u003cb\u003e19J31\u003c\/b\u003e, the required rating is \u003cb\u003e55\/5 MFD\u003c\/b\u003e. A capacitor with a higher voltage rating may be acceptable in some applications, but the MFD ratings should match the equipment requirements.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAlways disconnect power and properly discharge the existing capacitor before servicing HVAC electrical components.\u003c\/p\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\" style=\"text-align: center;\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCross-Reference \u0026amp; Compatibility:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eFirstChoice 19J31\u003c\/b\u003e is intended for HVAC equipment requiring:\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003ePart Number:\u003c\/b\u003e 19J31\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eCapacitance:\u003c\/b\u003e 55\/5 MFD\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eVoltage Rating:\u003c\/b\u003e 440 VAC\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eShape:\u003c\/b\u003e Round\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eCapacitor Type:\u003c\/b\u003e Dual Run\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eApplication:\u003c\/b\u003e Compressor and Condenser Fan Motor\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e• \u003cb\u003eCompatible Equipment:\u003c\/b\u003e Air conditioners, heat pumps, and condensing units requiring a \u003cb\u003e55\/5 MFD 440V round dual run capacitor\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003ci\u003eAlways verify capacitance, voltage rating, physical dimensions, mounting configuration, and terminal arrangement before ordering.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":53709668942187,"sku":"66255133174","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/19J44.jpg?v=1786562811","url":"https:\/\/tophvacparts.com\/products\/lennox-19j31-dual-run-capacitor-55-5-mfd-440-vac-round","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}