Bryant furnace code 13 – Quickest Fix [2025]

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Is your Bryant furnace flashing error code 13?

Well, don’t panic if you are seeing Bryant furnace code 13—it’s one of the most common issues homeowners face… and today, I’ll show you the part that usually fixes it.

Bryant furnace code 13 – meaning

Error codes 13 and 33 both point to a limit switch lockout—basically, your furnace is shutting down because it thinks things are overheating or airflow isn’t working properly.

Sometimes it’s a real safety issue, but very often… it comes down to a tiny part called the rollout switch failing.

Here it is:

bryant furnace 13 code

This little device—called the Bryant HH18HA452 Furnace Rollout Switch—acts like a safety fuse.

And so if it goes bad, your furnace will keep locking out, even when there’s no real danger

 

How do you know you might need to replace HH18HA452 L250 Furnace Flame Rollout Limit Switch?

Now, if your furnace keeps shutting down with code 13 or 33 after you’ve already checked your air filter, blower motor, and vents, chances are the rollout switch is the culprit.

Yees, that it true…They wear out over time, and it’s a pretty inexpensive fix.

 

The best part? You don’t need to do a full furnace replacement—just swap this part.

Again order it here  – this is the link to the exact component….you want to ensure you are getting the exact replacement for your Furnace model.

 

What more need I Know?

Of course, if your furnace still doesn’t fire up after replacing the rollout switch, it may be time to call in a pro.

But for many homeowners, this $20–$30 fix gets the heat running again

Again use the link below to see the right part, and if you found this helpful, please comment with your feedback.

The recommended replacement part

Cheers!

ALSO CHECK:

Thermostat not working for heat [Repair guide]

Carrier infinity fault codes – description and how to fix your unit

 

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