{"product_id":"lennox-26k34-lb-85663j-oem-txv-expansion-valve-kit-r-22-1-5-to-3-ton-air-conditioning-systems","title":"Lennox 26K34 \/ LB-85663J OEM TXV Expansion Valve Kit – R-22, 1.5 to 3 Ton Air Conditioning Systems","description":"\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eLennox 26K34\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, model\/part \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eLB-85663J\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, is a genuine OEM \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003ethermal expansion valve (TXV) kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e designed for compatible \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003e1.5 to 3 ton R-22 air conditioning systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Lennox identifies the 26K34 specifically as an indoor R-22 TXV kit covering the 1.5–3 ton range. \u003c\/span\u003e\u003cspan class=\"contents\" data-chatgpt-copy-reference=\"0\" data-markdown-copy=\"contents\"\u003e\u003cspan data-state=\"closed\" class=\"contents\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eThe TXV regulates liquid refrigerant flow entering the evaporator coil according to system operating conditions. Correct refrigerant metering helps maintain proper evaporator superheat, cooling capacity, and system performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"Heading-Ro3lZr\" dir=\"auto\"\u003e\u003cspan\u003eKey Features \u0026amp; Function\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul dir=\"auto\" class=\"List-kOVW5V UnorderedList-nqKD7g\"\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cspan\u003eGenuine \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eLennox OEM\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e component\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eCat #: 26K34\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eModel \/ Part #: LB-85663J\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cspan\u003eThermal Expansion Valve (\u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eTXV\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e) kit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eR-22 refrigerant\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003e1.5 to 3 ton\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e capacity range\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\u003cspan\u003eIndoor evaporator-coil application\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\u003cspan\u003eRefrigerant metering device\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\u003cspan\u003eHelps maintain proper evaporator superheat\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\u003cspan\u003eDesigned for compatible Lennox air conditioning systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\u003cspan\u003eKit includes TXV and installation components\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eLennox installation documentation identifies \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003e26K34 \/ LB-85663J\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for -018, -024, -030, and -036 applications and specifies that the kit includes the TXV, two Teflon rings, a sensing-bulb mounting strap, and mounting hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eThe R-22 refrigerant, 1.5–3 ton range, indoor designation, LB-85663J part number, and UPC are listed in Lennox's product specifications. \u003c\/span\u003e\u003cspan class=\"contents\" data-chatgpt-copy-reference=\"2\" data-markdown-copy=\"contents\"\u003e\u003cspan data-state=\"closed\" class=\"contents\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"Heading-Ro3lZr\" dir=\"auto\"\u003e\u003cspan\u003e🛠️ HVAC Depot Pro Tip\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eDo not choose a TXV based only on system tonnage. For this valve, match:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eCat #: \u003c\/span\u003e\u003cspan data-markdown-copy=\"inline-code\" class=\"InlineCode-Cddi3Y InlineMarkdownIsolate-QWDV4W\" dir=\"ltr\"\u003e26K34\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003ePart #: \u003c\/span\u003e\u003cspan data-markdown-copy=\"inline-code\" class=\"InlineCode-Cddi3Y InlineMarkdownIsolate-QWDV4W\" dir=\"ltr\"\u003eLB-85663J\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eRefrigerant: R-22\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eCapacity: 1.5–3 Ton\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eApplication: Air Conditioning\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eThis is especially important because Lennox also used other TXV kits for larger R-22 equipment. For example, Lennox installation documentation assigns \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003e26K34 to -018 through -036 applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, while \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003e26K35\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is specified for -042, -048, and -060 applications. \u003c\/span\u003e\u003cspan class=\"contents\" data-chatgpt-copy-reference=\"3\" data-markdown-copy=\"contents\"\u003e\u003cspan data-state=\"closed\" class=\"contents\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center font-sans select-none relative top-[-0.094rem] translate-y-0.5\" data-search-result-target=\"\"\u003e\u003ca data-testid=\"chatgpt-citation\" class=\"no-underline! group cursor-interaction hover:bg-secondary-soft-hover hover:text-default! flex h-4.5 max-w-[15rem] overflow-hidden rounded-xl pe-2 ps-1 text-[9px] leading-none font-medium select-none bg-secondary-soft text-secondary-solid!\" href=\"https:\/\/assets.unilogcorp.com\/267\/ITEM\/DOC\/Lennox_100484_07_Manual.pdf?utm_source=chatgpt.com\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex min-w-0 flex-1 items-center gap-1\"\u003e\u003cspan class=\"Favicon-xZwQNw inline-block shrink-0 rounded-2xs size-3 overflow-hidden rounded-full text-current [\u0026amp;\u0026gt;img]:rounded-full size-3 overflow-hidden rounded-full text-current [\u0026amp;\u0026gt;img]:rounded-full\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eBefore ordering, verify the outdoor condenser model, indoor coil or air-handler model, R-22 refrigerant, required TXV kit, and manufacturer charging specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"Heading-Ro3lZr\" dir=\"auto\"\u003e\u003cspan\u003eEquipment \/ Model Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eLennox 26K34 \/ LB-85663J\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is documented for numerous Lennox R-22 indoor coil and air-handler combinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eExamples include select:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"List-kOVW5V UnorderedList-nqKD7g\"\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eC33 Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e evaporator coils\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eCR33 Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e coils\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eCH33 Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e horizontal coils\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eCB26UH Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e air handlers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eCB29M Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e air handlers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003eCB30U Series\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e air handlers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ListItem-ncLgmg\"\u003e\n\u003cspan\u003eLennox \u003c\/span\u003e\u003cstrong class=\"font-semibold\"\u003e\u003cspan\u003e13ACD\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e R-22 air-conditioning combinations\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eLennox engineering data specifically identifies 26K34 in multiple 1.5-, 2-, 2.5-, and 3-ton equipment combinations. \u003c\/span\u003e\u003cspan class=\"contents\" data-chatgpt-copy-reference=\"4\" data-markdown-copy=\"contents\"\u003e\u003cspan data-state=\"closed\" class=\"contents\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center font-sans select-none relative top-[-0.094rem] translate-y-0.5\" data-search-result-target=\"\"\u003e\u003ca data-testid=\"chatgpt-citation\" class=\"no-underline! group cursor-interaction hover:bg-secondary-soft-hover hover:text-default! flex h-4.5 max-w-[15rem] overflow-hidden rounded-xl pe-2 ps-1 text-[9px] leading-none font-medium select-none bg-secondary-soft text-secondary-solid!\" href=\"https:\/\/tech.lennoxintl.com\/C03e7o14l\/VIu12Ch2uV\/ehb_cr33_ariratings_all_0510.pdf?utm_source=chatgpt.com\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex min-w-0 flex-1 items-center gap-1\"\u003e\u003cspan class=\"Favicon-xZwQNw inline-block shrink-0 rounded-2xs size-3 overflow-hidden rounded-full text-current [\u0026amp;\u0026gt;img]:rounded-full size-3 overflow-hidden rounded-full text-current [\u0026amp;\u0026gt;img]:rounded-full\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph-kKnbIo\" dir=\"auto\"\u003e\u003cspan\u003eAlways verify the complete indoor and outdoor equipment model numbers before ordering.\u003c\/span\u003e\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":53973947646315,"sku":"26K34","price":152.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/26K34.jpg?v=1790897698","url":"https:\/\/tophvacparts.com\/products\/lennox-26k34-lb-85663j-oem-txv-expansion-valve-kit-r-22-1-5-to-3-ton-air-conditioning-systems","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}