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3W Thermo Mixing Vlv 3/4"Swt for Caleffi Part# 521509A

Existing reviews

Replacement Observation

The older unit needed replacement part on our appliance ended up being caused by a failing part. Needed basic hand tools only and the replacement solved it.

From: Peter | Date: 8/10/2025 9:36 AM

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Compatibility Feedback

Wasnt completely sure this would match at first since the original component had worn out over time. Thankfully needed basic hand tools only and everything is working again.

From: Guest | Date: 8/30/2025 9:36 AM

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Repair Outcome

Wasnt completely sure this would match at first since the original component had worn out over time. Thankfully had to double check model compatibility first and everything is working again.

From: Scotty | Date: 10/5/2025 9:36 AM

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Helpful Product Insight

Needed basic hand tools only while replacing the old component because the original component had worn out over time. Appliance has been running normally since then.

From: Guest | Date: 5/2/2026 9:36 AM

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