Name: Wire Harness
Brand: Lennox
SKU: i2723632
Price: 99.65 USD
Availability: OutOfStock

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.

Flame Sensor

The Frigidaire Oven Burner Igniter 5303935066 is a high-quality replacement part that ignites the gas to light the oven burner. It includes 2 ceramic wire connectors and replaces multiple part numbers

Igniter

Limit Switch

Furnace control board. The control board regulates the supply of power to the furnace components.

Control Board

Furnace draft inducer motor. The draft inducer motor draws air into the burner and exhausts it out the flue. If the draft inducer motor is defective, the furnace may not heat.

Draft Inducer Motor

Ensure accurate water levels with this pressure switch, part number WD21X25468, for select GE, Hotpoint, Haier, Cafe, Monogram, Trane, or GE Profile Dishwasher or Packaged Unit/RTU models.

Pressure Switch

Compressor run capacitor, 120 volts 15 mfd.

Run Capacitor

Flame rollout limit switch re-settable 350F

Flame Rollout Limit Switch

1/2HP 115Volts 60Hz 7 amp 1130 RPM's 4 Speed Open Enclosure Single Phase CCW 4" Shaft

Blower Motor

Dual Run Capacitor

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Furnace not heating

A wire harness, a group of wires with the required connectors and plugs, is used to control and monitor various furnace components. If a wire harness is damaged, one or more of the components may not run or may only run intermittently. A damaged wire harness will need to be replaced.

Furnace blower not running

Furnace not turning on

Strange smells coming from furnace

A wire harness, a group of wires with the required connectors and plugs, is used to control and monitor various furnace components. If a wire harness is damaged, shorted or not making a good connection, it may produce a burning smell and one or more of the components may not run or may only run intermittently. A damaged wire harness will need to be replaced.


Furnace circuit breaker keeps tripping

A wire harness sends power and low voltage signals between the electrical components and the control board. If a wire harness becomes damaged, it can short out causing the circuit breaker to trip. Check the appropriate wire harnesses for breaks or loose connections. A damaged wire harness will need to be replaced.

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Air Filters for Home

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OPE, HVAC & Appliance Part Covers

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Lennox

Wire Harness

Wire, Receptacle & Wire Connector

This video provides a reminder to viewers to replace their furnace filters. Don't forget to like and comment on this video and subscribe to our channel!

Replace Furnace Filters - Tech Tips from Repair Clinic

Gas furnace starts then stops? This video provides information on how to troubleshoot a furnace and the most likely defective parts associated with this problem. Commonly replaced furnace parts: Flame Sensor Pressure Switch Control Board Draft Inducer Motor The information provided in this furnace troubleshooting video is applicable to all brands: Air Bear Trion, Amana, Arcoaire, Broan, Bryant, Carrier, Coleman, Comfortmaker, DuroGuard, Fasco, Frigidaire, Garrison, Gibson, Goodman, Grandaire, Heil, Honeywell, ICM, ICP, Intertherm, Kelvinator, Kenmore, Lennox, Luxaire, Mammoth, Mars, Maytag, Medallion, Miller, Nordyne, Nutone, Payne, Philco, Rheem, Ruud, Tappan, Tempstar, Thermal Zone, Trane, WeatherKing, Westinghouse, White Rogers, York RepairClinic has millions of replacement parts for appliances, lawn equipment, power tools, and heating & cooling equipment including washers, dryers, dishwashers, refrigerators, lawn mowers, snowblowers, furnaces, and air conditioners. We guarantee the fastest shipping possible—all in-stock parts ship the same business day. Return any part for any reason with our generous 365-day return policy. In addition to providing replacement parts, RepairClinic.com offers free online troubleshooting information and DIY repair videos. Use our website to choose from a series of problems to discover the likely causes and the correct replacement part(s) for your particular model. Once you’ve determined the solution, our expertly-produced video tutorials will guide you through every step of the repair. At RepairClinic, we make fixing things easy!

Furnace Starts Then Stops — Furnace Troubleshooting

Furnace not heating? This video provides information on how to troubleshoot a furnace and the most likely defective parts associated with this problem. Commonly replaced furnace parts: Gas Valve Igniter Flame Sensor Draft Inducer Motor Flame Rollout Switch Control Board Pressure Switch The information provided in this furnace troubleshooting video is applicable to all brands: Air Bear Trion, Amana, Arcoaire, Broan, Bryant, Carrier, Coleman, Comfortmaker, DuroGuard, Fasco, Frigidaire, Garrison, Gibson, Goodman, Grandaire, Heil, Honeywell, ICM, ICP, Intertherm, Kelvinator, Kenmore, Lennox, Luxaire, Mammoth, Mars, Maytag, Medallion, Miller, Nordyne, Nutone, Payne, Philco, Rheem, Ruud, Tappan, Tempstar, Thermal Zone, Trane, WeatherKing, Westinghouse, White Rogers, York RepairClinic has millions of replacement parts for appliances, lawn equipment, power tools, and heating & cooling equipment including washers, dryers, dishwashers, refrigerators, lawn mowers, snowblowers, furnaces, and air conditioners. We guarantee the fastest shipping possible—all in-stock parts ship the same business day. Return any part for any reason with our generous 365-day return policy. In addition to providing replacement parts, RepairClinic.com offers free online troubleshooting information and DIY repair videos. Use our website to choose from a series of problems to discover the likely causes and the correct replacement part(s) for your particular model. Once you’ve determined the solution, our expertly-produced video tutorials will guide you through every step of the repair. At RepairClinic, we make fixing things easy!

Furnace Not Heating — Furnace Troubleshooting

Furnace blower not running? This video provides information on how to troubleshoot a furnace blower that won't run and the most likely defective parts associated with this problem. Commonly replaced furnace parts: Blower Motor Capacitor Control Board The information provided in this furnace troubleshooting video is applicable to all brands: Air Bear Trion, Amana, Arcoaire, Broan, Bryant, Carrier, Coleman, Comfortmaker, DuroGuard, Fasco, Frigidaire, Garrison, Gibson, Goodman, Grandaire, Heil, Honeywell, ICM, ICP, Intertherm, Kelvinator, Kenmore, Lennox, Luxaire, Mammoth, Mars, Maytag, Medallion, Miller, Nordyne, Nutone, Payne, Philco, Rheem, Ruud, Tappan, Tempstar, Thermal Zone, Trane, WeatherKing, Westinghouse, White Rogers, York RepairClinic has millions of replacement parts for appliances, lawn equipment, power tools, and heating & cooling equipment including washers, dryers, dishwashers, refrigerators, lawn mowers, snowblowers, furnaces, and air conditioners. We guarantee the fastest shipping possible—all in-stock parts ship the same business day. Return any part for any reason with our generous 365-day return policy. In addition to providing replacement parts, RepairClinic.com offers free online troubleshooting information and DIY repair videos. Use our website to choose from a series of problems to discover the likely causes and the correct replacement part(s) for your particular model. Once you’ve determined the solution, our expertly-produced video tutorials will guide you through every step of the repair. At RepairClinic, we make fixing things easy!

Furnace Blower Not Running — Furnace Troubleshooting

Furnace blower noisy or loud? This video provides information on how to troubleshoot a furnace that's too loud and the most likely defective parts associated with this problem. Commonly replaced furnace parts: Blower Motor Blower Wheel Draft Inducer Motor The information provided in this furnace troubleshooting video is applicable to all brands: Air Bear Trion, Amana, Arcoaire, Broan, Bryant, Carrier, Coleman, Comfortmaker, DuroGuard, Fasco, Frigidaire, Garrison, Gibson, Goodman, Grandaire, Heil, Honeywell, ICM, ICP, Intertherm, Kelvinator, Kenmore, Lennox, Luxaire, Mammoth, Mars, Maytag, Medallion, Miller, Nordyne, Nutone, Payne, Philco, Rheem, Ruud, Tappan, Tempstar, Thermal Zone, Trane, WeatherKing, Westinghouse, White Rogers, York RepairClinic has millions of replacement parts for appliances, lawn equipment, power tools, and heating & cooling equipment including washers, dryers, dishwashers, refrigerators, lawn mowers, snowblowers, furnaces, and air conditioners. We guarantee the fastest shipping possible—all in-stock parts ship the same business day. Return any part for any reason with our generous 365-day return policy. In addition to providing replacement parts, RepairClinic.com offers free online troubleshooting information and DIY repair videos. Use our website to choose from a series of problems to discover the likely causes and the correct replacement part(s) for your particular model. Once you’ve determined the solution, our expertly-produced video tutorials will guide you through every step of the repair. At RepairClinic, we make fixing things easy!

Furnace Noisy Or Loud — Furnace Troubleshooting

Furnace blower runs all the time? This video provides information on how to troubleshoot a furnace blower that runs continuously and the most likely defective parts associated with this problem. Commonly replaced furnace parts: Wall Thermostat Control Board The information provided in this furnace troubleshooting video is applicable to all brands: Air Bear Trion, Amana, Arcoaire, Broan, Bryant, Carrier, Coleman, Comfortmaker, DuroGuard, Fasco, Frigidaire, Garrison, Gibson, Goodman, Grandaire, Heil, Honeywell, ICM, ICP, Intertherm, Kelvinator, Kenmore, Lennox, Luxaire, Mammoth, Mars, Maytag, Medallion, Miller, Nordyne, Nutone, Payne, Philco, Rheem, Ruud, Tappan, Tempstar, Thermal Zone, Trane, WeatherKing, Westinghouse, White Rogers, York RepairClinic has millions of replacement parts for appliances, lawn equipment, power tools, and heating & cooling equipment including washers, dryers, dishwashers, refrigerators, lawn mowers, snowblowers, furnaces, and air conditioners. We guarantee the fastest shipping possible—all in-stock parts ship the same business day. Return any part for any reason with our generous 365-day return policy. In addition to providing replacement parts, RepairClinic.com offers free online troubleshooting information and DIY repair videos. Use our website to choose from a series of problems to discover the likely causes and the correct replacement part(s) for your particular model. Once you’ve determined the solution, our expertly-produced video tutorials will guide you through every step of the repair. At RepairClinic, we make fixing things easy!

Furnace Blower Runs All The Time — Furnace Troubleshooting

This free troubleshooting video shows quick maintenance tips including cleaning the furnace, replacing the air filter, and cleaning the home venting to keeping your furnace working safely and efficiently. If you're unable to find the information you need on our website, we suggest that you use a search online to find a reliable online repair forum. It's likely that your question has already been answered there. We also recommend contacting your product's manufacturer or calling a local repair technician. And don't forget to like and comment on this video, and subscribe to our channel!

Furnace Maintenance Tips

Wire-Harness

Lennox 81K77 Furnace Wire Harness | Repair Clinic

Lennox Wire Harness 81K77

This part 81K77 is compatible with:

Related Articles & Videos

Wire Harness Customer Reviews

Common Problems Fixed by the Wire Harness

Furnace not heating

Furnace not turning on

Furnace circuit breaker keeps tripping

Furnace blower not running

Strange smells coming from furnace

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