Compatible with Pentair MasterTemp, Minimax, Max-E-Therm, and other Sta-Rite heaters for versatile use
Prevents flue gas output from exceeding 500°F, enhancing safety
Clear error code indication (E05 or E06) for easy troubleshooting
Simple installation process for quick replacement
Durable construction for long-lasting performance
Summarized by Shop
A stack flue sensor, located on the exhaust elbow of a pool heater, prevents the flue gas output from exceeding 500°F. When this fails, your system will show error codes E05 or E06 to indicate that the stack flue sensor must be replaced.
This replacement stack flue sensor from Optimum Pool Technologies is compatible with Pentair® MasterTe
Model Compatibility
Pentair MasterTemp, Minimax, Max-E-Therm, and other Sta-Rite heaters
Replaces
Pentair Sta-Rite 42002-0024S
Color
Orange, Silver
Pattern
Solid
Installation
Manual removal and installation required
Summarized by Shop
4.7
39 ratings
5
4
3
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1
Fast deliver for a great price
Needed a Pentair stack flue sensor. Most local retailers were charging way too much for the part. Pool Guy delivered right to my door in 2-3 days at substantial discount. Part installed and works great.
C
C · August 7, 2026
Stack Flue Sensor Replacement For Pentair® Sta-Rite® Max-E-Therm® & MasterTemp® by Optimum Pool Technologies
L
Lucas · August 5, 2026
Stack Flue Sensor Replacement For Pentair® Sta-Rite® Max-E-Therm® & MasterTemp® by Optimum Pool Technologies