ML180DF090XP48B, 80% AFUE, Downflow, Gas Furnace, PSC, 90,000 Btuh, 4 Ton, Low Nox, Merit Series

Merit® Series

ML180 Gas Furnace

Economical, standard-efficiency gas heating

Your customers will enjoy the exceptional comfort that comes with reliable Lennox engineering. The ML180DF090XP48B's durable, high-quality design ensures long-lasting performance. And with an efficiency rating of 80%, it will save them in energy costs, especially compared to an older furnace.

Downflow

• Efficiency rating of 80% AFUE—can save hundreds of dollars each year, compared to older furnaces
• Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs

• Duralok Plus™ heat exchanger—made of high-quality, patented ArmourTuf™ aluminized steel
• Hot surface igniter—controls furnace operation to ensure reliable, efficient performance

California Only

If installed in South Coast Air Quality Management District (SCAQMD) only:

This furnace does not meet the SCAQMD Rule 1111 NOx emission limit (14 ng/J), and thus is subject to a mitigation fee of up to $450. This furnace is not eligible for the Clean Air Furnace Rebate Program: www.CleanAirFurnaceRebate.com

If installed in San Joaquin Valley Air Pollution Control District (SJVAPCD) only:

This furnace does not meet the SJVAPCD Rule 4905 NOx emission limit (14 ng/J), and thus is subject to a mitigation fee of up to $450.

Parts and Supplies

• 70W16 - Kyocera LB-112237B Ignitor Replacement Assembly
• 94W83 - UT Electronic Controls 1012-977A-I Merit Series Ignition Control Board
• 68W80 - 605927-04 1 STG NIGHT SERV KT AF/Allied
• 69W43 - Precision Speed Equipment LB-74940B Flame Sensor Kit
• 53L46 - LB-96118A, Blade Fuse, 32V, 3A, 10 pack, Part of Furnace Night Service Kit
• 42J32 - Hartland Controls 42J3201 Transformer, 120 Volts Primary, 24 Volts Secondary, 40 VA
• 73W17 - Honeywell 102837-01 Dual Direct Ignition Gas Valve, 24 Volts
• 80W19 - 4HP13L60P, Heat Pump, Louvered Cabinet, 13 SEER, 5 Ton, R-410A
• 69M29 - 2" Concentric Vent Kit"
• 51W11 - 605384-01 Flush Mount Vent Kit
• 44J41 - LB-65678A ROOF TERMINATION FLASHING KIT
• 60L46 - Diversitech CVENT-3 Concentric Termination Vents Kit, 3"
• 81J20 - 3" Wall Termination Kits (PVC)""
• 51W07 - Dust Free 17.5" Filter Cabinet
• 89N87 - Plenum" 16.5" W x 20" D x 36" H"" Double Top with 1/2" 4 Standard Sides 1 Cap" X-Broke""
• 44J40 - 3" Wall Termination Kit
• 11M60 - Lennox Combustible Floor Base Kit, B
• 89W19 - 606270-01 Universal Sw. Kit-Lennox 80%
• 89N90 - Plenum, 16.5" W x 20" D x 47" H, Double Top with 1/2", 4 Standard Sides, 1 Cap, X-Broke
• X0752 - Plenum 20-1/4 x 16-1/4 x 48 R8 Use with CH33B CX34B
• X0753 - Plenum 20-1/4 x 16-1/4 x 36 R8 Use with CH33B CX34B
• X4041 - E9 17.50" X 21.25" PLENUM COIL
• X4045 - E9 17.50 X 28.50" PLENUM FURNACE""
• X6162 - B4 PLENUM 19-7/16"X16-3/8"X60" SGL TOP
• 59N44 - McDaniels ACG1625 Filter Base for 16" x 25" Filters
• 70W89 - 604888-04 NAT to LPG Conv Kt-80% Sgl Stg
• 73P56 - E-Z Filter Base 1625 17-5/8" x 28-5/8" x 4" Furnace Filter Base for 1" or 2" x 16" x 25" Filters
• 76W15 - 606237-01 LP High Alt Kit - ML180
• X6660 - Healthy Climate HCC16-28 Filter Cabinet 17-1/2 x 28-1/2 x 7 in.
• 80W52 - 103247-04 Switch-Pressure .60
• Y2922 - Healthy Climate PureAir PCO16-28 Air Purification System
• 73W81 - LPG/ Propane to Natural Gas Conversion Kit (0-7500 FT)
• 73W37 - 604916-01 Nat High Altitude Kit -SL280
• 51W10 - Horizontal Suspension Kit
• 18M79 - Vent Adapter Kit