Full Description
Reviews

670# M/R Hi Pressure Switch for Lennox Part# 10U66

Existing reviews

Replacement Observation

After dealing with a situation where the appliance suddenly stopped working properly, we installed this replacement part. Repair solved the original problem. Would probably order again if needed.

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

Was this review helpful? Yes No (0/0)

Compatibility Feedback

Used this replacement after the appliance suddenly stopped working properly. Connector alignment matched better than expected. Noise issue disappeared after replacement.

From: Guest | Date: 11/22/2025 8:36 AM

Was this review helpful? Yes No (0/0)

Only registered users can write reviews