Pentair Thermal Regulator Replacement, MT125 | 474989 Column Type: Telescoping tube kit with

Type: Telescoping tube kit with low-profile design

Built specifically for natural gas applications

replacement is the clean fix instead of trying to reuse broken trim or distorted openings

Used in spa builds or when replacing cracked or leaking jet housings

Compatible Design: Works with various pool and spa systems

Pentair Thermal Regulator Replacement, MT125 | 474989 Column Type: Telescoping tube kit withWhat This Part Is Used For Pentair 474989 Thermal Regulator Replacement MT125 is a replacement thermal regulator for compatible Pentair MasterTemp 125 heater models. It helps manage water temperature flow through the heater assembly. Why This Part Matters A faulty thermal regulator can lead to improper heating or error conditions. Replacing it restores correct water flow regulation inside the heater. Proper thermal control helps protect internal