{"product_id":"lennox-sl280uh070v36a-66-000-furnace","title":"Lennox SL280UH070V36A 80% AFUE 66,000 BTU 14.5\" Variable-Speed Gas Furnace","description":"\u003cp\u003eThe Lennox SL280UH070V36A is a Dave Lennox Signature Collection two-stage gas furnace rated 66,000 BTU input and 52,000 BTU output on high fire at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a variable speed blower sized for 2 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 52,000 BTU output, 80% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 606 to 1,345 cfm, for 2 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eSL is the Dave Lennox Signature Collection, 2 means two-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, V is the variable speed blower motor, 36 is the nominal add-on cooling size, and A is the 14.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code. For California, the SL280UH070XV36A meets the state's 40 ng\/J NOx standard, but Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627472109730,"sku":"SL280UH070V36A","price":2502.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_aab49497-9d7a-47bf-8861-e4b2a6c6aac6.jpg?v=1788738255","url":"https:\/\/hvacusa.store\/products\/lennox-sl280uh070v36a-66-000-furnace","provider":"HVAC USA","version":"1.0","type":"link"}