Full Description
Reviews

Heatstar High Limit Control Part# 21794

Weight: 2 lbs. Dimensions: Not Available

Compatible Models: Not Available

Existing reviews

Replacement Observation

Mounting holes lined up correctly during install while replacing the old component because the control panel stopped responding randomly. Everything powered back on correctly afterward.

From: Peter | Date: 1/18/2026 8:36 AM

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Compatibility Feedback

The buttons were no longer reacting correctly 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: 2/28/2026 8:36 AM

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Repair Note

Mounting holes lined up correctly during install while replacing the old component cause the buttons were no longer reacting correctly. Appliance has been running normally since then.

From: Guest | Date: 3/4/2026 8:36 AM

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