Pentair MMX Thermal Cutoff | 75173 Fire Pit Grate or shut down unexpectedly

or shut down unexpectedly

Typically found in skimmer assemblies where a float valve seals the water path

Inspect sealing surfaces to prevent leaks during replacement

and water feature operation

Pentair MMX Thermal Cutoff | 75173 Fire Pit Grate or shut down unexpectedlyWhat This Part Is Used For Pentair 075173 Thermal Cutoff MMX is a replacement thermal cutoff device for compatible Pentair MMX heater systems. It provides temperature based safety shutdown protection. Why This Part Matters A failed thermal cutoff can prevent safe heater operation. Replacing it restores overheat protection and system reliability. Proper safety controls help protect heater components from damage. Key Features and Specifications