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HVAC

Lennox Lennox 2-stage furnace (7 years old)

Real-world failure timing, repair cost, and source-linked reports for this model.

Durability signal A · based on reported timing

1 reports

Timeline

When failures are reported

Buckets show how reports cluster by months after purchase.

Avg months to failure

Total reports

Avg repair cost

—

Still recommend

—

% repaired

100%

% mfr warranty

% extended warranty

100%

% support helpful

100%

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Failure types

Reports

Low pressure switch failed open (E223)

Low/high pressure switch assembly

84 months

Source-linkedVerify source — Reddit post

Seven-year-old Lennox two-stage furnace failed to start with error E223 low pressure switch failed open. A tech confirmed the switch would not close at the correct pressure, found a spider in the low-pressure port, and still replaced out-of-spec low/high pressure switches as an assembly under Lennox extended parts warranty.

Not under mfr warrantyExtended warranty

View report details

Months until failure

84 months

Repair cost

Not stated

Repaired

Yes

Manufacturer warranty

Extended warranty

Yes

Support helpful

Yes

Would recommend

Not stated

Confidence

91%

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