Name: Thermal Expansion Valve
Brand: Lennox
SKU: i2721417
Price: 798.55 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

image

Central air conditioner not blowing enough

A thermal expansion valve, commonly referred to as a TXV, regulates the amount of refrigerant in the evaporator coil to help maintain an optimal working temperature.

Central air conditioner coil icing up

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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

Central air conditioner fan motor not running? This video provides information on how to troubleshoot a central air conditioner and the most likely defective parts associated with this problem. Commonly replaced central air parts: Capacitor Compressor Fan Blade Fan Motor Contactor Fuse The information provided in this air conditioner 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

Central Air Conditioner Fan Motor Not Running — Central Air Conditioner Troubleshooting

Central air conditioner not cooling? This video provides information on how to troubleshoot a central air conditioner and the most likely defective parts associated with this problem. Commonly replaced central air parts: Capacitor Compressor Fan Blade Fan Motor Contactor Fuse The information provided in this air conditioner 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

Central Air Conditioner Not Cooling — Central Air Conditioner Troubleshooting

Central air conditioner noisy? This video provides information on how to troubleshoot a central air conditioner and the most likely defective parts associated with this problem. Commonly replaced central air parts: Capacitor Compressor Fan Blade Fan Motor Contactor Fuse The information provided in this air conditioner 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

Central Air Conditioner Is Noisy — Central Air Conditioner Troubleshooting

Central air conditioner not running? This video provides information on how to troubleshoot a central air conditioner and the most likely defective parts associated with this problem. Commonly replaced central air parts: Capacitor Compressor Fan Blade Fan Motor Contactor Fuse The information provided in this air conditioner 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

Central Air Conditioner Not Running — Central Air Conditioner 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 for taking care of your Gree PTAC Unit. 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!

PTAC Unit Maintenance Tips

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

Thermal-Expansion-Valve

Lennox 72L34 Furnace Thermal Expansion Valve | Repair Clinic

Lennox Thermal Expansion Valve 72L34

This part 72L34 is compatible with:

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Common Problems Fixed by the Thermal Expansion Valve

Central air conditioner not blowing enough

Central air conditioner coil icing up

About the Thermal Expansion Valve

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