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O-Ring for NAVIEN TANKLESS WATER HEATERS Part# 20017210A

Existing reviews

Replacement Observation

Used this replacement after the dryer was no longer heating properly. Fitment on our appliance was accurate. No leaks or issues noticed so far. Repair turned out easier than expected honestly.

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

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Helpful Product Insight

The heating cycle became inconsistent on our appliance ended up being caused by a failing part. Had to double check model compatibility first and the replacement solved it.

From: Guest | Date: 8/24/2025 9:36 AM

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Helpful Product Insight

The heating cycle became inconsistent on our appliance ended up being caused by a failing part. Installation wasnt too difficult overall and the replacement solved it.

From: Guest | Date: 9/14/2025 9:36 AM

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Replacement Observation

The heating cycle became inconsistent 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: 12/18/2025 8:36 AM

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