{"product_id":"lennox-sl280df090v60c-88-000-furnace","title":"Lennox SL280DF090V60C 80% AFUE 88,000 BTU 21\" Variable-Speed Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox SL280DF090V60C is a Dave Lennox Signature Collection two-stage gas furnace rated 88,000 BTU input and 70,000 BTU output on high fire at 80% AFUE. It comes in a 21-inch C cabinet, installs downflow, and has a variable speed blower sized for 3.5 to 5 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 88,000 BTU input, 70,000 BTU output, 80% AFUE, two-stage, 57,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: C size, 21 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 1 hp variable speed motor, 899 to 2,273 cfm, for 3.5 to 5 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°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 DF is downflow. 090 is the 88,000 BTU input, V is the variable speed blower motor, 60 is the nominal add-on cooling size, and C is the 21-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with C in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT 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, and Lennox says this furnace series can't go in the South Coast and San Joaquin Valley 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":47627472371874,"sku":"SL280DF090V60C","price":3325.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_2bbdc4d0-b89b-4604-976d-d564a0dab5a3.jpg?v=1788738269","url":"https:\/\/hvacusa.store\/products\/lennox-sl280df090v60c-88-000-furnace","provider":"HVAC USA","version":"1.0","type":"link"}