One common symptom of a failing or blocked heat exchanger is the roll out switch tripping.
Carrier furnace rollout switch.
Figure 1 shows a common rollout switch.
Carrier gas furnaces use a safety component known as a flame roll out switch to shut down the appliance when it overheats.
The best way to ensure that this device is working properly and to prevent flame rollout in the first.
All of these conditions are very serious and have the potential to do great harm.
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That makes it very likely that it s the li mit switch that is opening because of overheating.
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This rollout temperature switch is used in over 2000 bryant carrier furnaces.
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This rollout temperature switch replaces old part numbers.
The flame rollout switch s are manual reset so that isn t them.
It s called a flame rollout switch and it cuts off the gas supply to your furnace when it detects higher temperatures than normal immediately outside the combustion chamber.
Possible causes include a stopped up vent a stopped up heat exchanger low gas pressure or a cracked heat exchanger.
Fortunately finding the flame roll out switch on a carrier furnace takes just seconds.
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Carrier furnace flame rollout limit switch.
Get it as soon as thu aug 6.
That should be checked to verify that as i suggested earlier.
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This happens because the flames are not being drawn into and throu.
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If your carrier furnace turns off unexpectedly knowing the location of the flame roll out switch can come in handy.
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