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Lennox Parts

Lennox furnaces are some of the most reliable on the market. However, like anything else, sometimes they are in need of repair. Shop our wide selection of Lennox furnace parts below. You will find everything from a Lennox thermostat, to a heat pump, and everything in-between. Make sure to enter your model number so that your furnace and your parts are an exact match. If you need help finding your Lennox furnace model number, call a RepairClinic representative will be happy to help you locate it via the phone or live chat. Save money on Lennox parts today with RepairClinic -- your trusted online source for Lennox replacement parts.

Lennox Flame Sensor

RepairClinic Item # 2332606

Grid is 1 inch square
Flame Sensor - Part # 2332606 Mfg Part # 52W29

Furnace flame sensor. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, the furnace may not heat.

OEM Part - Manufacturer #52W29

$19.99

Order by 8:00 PM ET, this part ships TODAY!

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365 Day Return Policy

Lennox Silicone Sealant

RepairClinic Item # 2980602

Grid is 1 inch square
Silicone Sealant - Part # 2980602 Mfg Part # 93247

2.8 oz Tube of Red Devil High Temp RTV Silicone. Perfect for Gasket replacement. Not for Heat Exchangers.

Manufacturer #93247

Hazardous Material – Special Shipping Required

$11.85

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Lennox Contactor

RepairClinic Item # 3289606

Lennox contactor for 1.5-3 ton spst 25fla/35res

OEM Part - Manufacturer #10F73

$23.78

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Lennox Run Capacitor

RepairClinic Item # 2345787

Grid is 1 inch square
Run Capacitor - Part # 2345787 Mfg Part # 22W78

Run Capacitor. Single, Oval, 370 volt, 5 Microfarad.

OEM Part - Manufacturer #22W78

$13.99

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Lennox Flame Sensor

RepairClinic Item # 2332672

Grid is 1 inch square
Flame Sensor - Part # 2332672 Mfg Part # RS36453B001

Furnace flame sensor. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, the furnace may not heat.

OEM Part - Manufacturer #RS36453B001

$10.85

Order by 8:00 PM ET, this part ships TODAY!

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Lennox Cleaner

RepairClinic Item # 3288906

Grid is 1 inch square
Cleaner - Part # 3288906 Mfg Part # Triple-D-AER

Triple-D Coil Cleaner is a 19oz Aerosol spray can, that is safe for homeowner use. One can will clean an entire outdoor condenser coil and/or indoor evaporator coil, to remove energy-stealing dirt, debris and soot.

Manufacturer #Triple-D-AER

Hazardous Material – Special Shipping Required

$13.99

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Lennox Defrost Control Board

RepairClinic Item # 2332651

Grid is 1 inch square
Defrost Control Board - Part # 2332651 Mfg Part # 84W88

Defrost control kit.

OEM Part - Manufacturer #84W88

$68.99

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Lennox Fan Motor

RepairClinic Item # 2332591

Fan motor. 1/5 HP, 208/230 volts, 60/50 hertz.

OEM Part - Manufacturer #43W49

$111.13

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Lennox Dual Run Capacitor

RepairClinic Item # 2346863

Round, Dual, 440 Volts, 45/5 Microfarads (MFD)

OEM Part - Manufacturer #89M80

$24.87

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Lennox Gasket

RepairClinic Item # 2719367

Grid is 1 inch square
Gasket - Part # 2719367 Mfg Part # 64L80

Diaphragm assy-air (EACH)

OEM Part - Manufacturer #64L80

$14.40

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Lennox Fan Motor

RepairClinic Item # 2332628

Grid is 1 inch square
Fan Motor - Part # 2332628 Mfg Part # 68J24

Lennox condenser fan motor, 1/3 HP, 1075 RPM, 208-230 volts, 60 hertz, 1 phase.

OEM Part - Manufacturer #68J24

$134.42

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Lennox Flame Sensor

RepairClinic Item # 2332604

Grid is 1 inch square
Flame Sensor - Part # 2332604 Mfg Part # 51M14

Flame sensor

OEM Part - Manufacturer #51M14

$15.75

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Lennox Igniter

RepairClinic Item # 2629303

Grid is 1 inch square
Igniter - Part # 2629303 Mfg Part # 41K56

Furnace Igniter

OEM Part - Manufacturer #41K56

Order by 8:00 PM ET, this part ships TODAY!

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Lennox Contactor

RepairClinic Item # 3290459

Grid is 1 inch square
Contactor - Part # 3290459 Mfg Part # 10F74

Contactor 24v coil 1p 40amp

OEM Part - Manufacturer #10F74

$15.99

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Lennox Flame Rollout Limit Switch

RepairClinic Item # 2346744

Grid is 1 inch square
Flame Rollout Limit Switch - Part # 2346744 Mfg Part # 78L29

Limit rollout control

OEM Part - Manufacturer #78L29

$24.99

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365 Day Return Policy