Clearing Error Code 229 on Your Lennox® Furnace

Getting error code 229 on your Lennox® furnace?

This means your furnace is ignited at high speed because its low pressure switch couldn’t close.

It’s important to let a pro like one from Stallion Heating and Air Conditioning in Philadelphia finish repairing or replacing this part. Our technicians are ACE certified, which means they’re ready to fix a furnace error like this one.

We want you to be completely content with our furnace repair in Philadelphia. That’s why we back all of our work with a one-year 100% Satisfaction Guarantee.*

How a Low-Fire Pressure Switch Works

Two-stage furnaces have numerous pressure switches to let the system to run at different speeds—and be more efficient. These switches also ensure your furnace runs safely and vents excess gases from the heat exchanger.

What Happens When a Low-Fire Pressure Switch Doesn’t Work

Your low pressure switch may not be working correctly if your furnace inducer motor switches on in high speed and high ignition, then slows down and changes into low-fire mode about 30 seconds after.

Your system will indicates something’s amiss with a red flash from its indicator light, which it uses to exhibit error codes. It has this red light to flash code, like Morse code.

You may notice fast flashes or an alternating slow flash as it announces a fault code.

Estimated Repair Cost for Furnace Error Code 229

A blocked vent or a draft can also trigger the error, so your Stallion Heating and Air Conditioningprofessional will investigate other parts of your furnace first.

The bill to fix your furnace hinges on what’s wrong with it and how long it takes to repair it.

You can expect to pay between $40 and $350 if you require a new low-fire pressure switch.

Turn to the Experts at Stallion Heating and Air Conditioning

When you need to have your furnace fixed, contact the Experts at Stallion Heating and Air Conditioning to decipher the fault code and take care of the situation.

Call us at or schedule an appointment online today.

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