{"product_id":"lennox-ml180df090e48bk-88-000-furnace","title":"Lennox ML180DF090E48BK 80% AFUE 88,000 BTU 17.5\" Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox ML180DF090E48BK is a Merit Series single-stage gas furnace rated 88,000 BTU input and 72,000 BTU output at 80% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a constant torque blower sized for 2.5 to 4 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, 72,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp constant torque motor, 680 to 1,750 cfm, for 2.5 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and DF is downflow. 090 is the 88,000 BTU input, E is the high efficiency constant torque blower motor, 48 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\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 CK40CT, CK40DT, CK40HT, or CK40UT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40DT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, 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, 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\u003eIt ships from our Kansas City warehouse. 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":47627471552674,"sku":"ML180DF090E48BK","price":1383.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_347b4dfb-2e2b-4141-bca9-0c1e61244926.jpg?v=1788738222","url":"https:\/\/hvacusa.store\/products\/lennox-ml180df090e48bk-88-000-furnace","provider":"HVAC USA","version":"1.0","type":"link"}