Sec.Heat Exchanger for Lennox Part# 57W65

Existing reviews

Replacement Observation

Installed this when the appliance suddenly stopped working properly. Needed basic hand tools only. Everything powered back on correctly afterward. Part quality feels reasonable compared to original one.

From: Guest | Date: 10/7/2025 9:36 AM

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Replacement Observation

The appliance suddenly stopped working properly on our appliance ended up being caused by a failing part. Connector alignment matched better than expected and the replacement solved it.

From: Guest | Date: 10/26/2025 9:36 AM

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