Stack Flue Sensor Replacement For Pentair® Sta-Rite® Max-E-Therm® & MasterTemp® by Optimum Pool Technologies
4.5 (1,234)
Sold 100+ last 30 days
20% off first order
$14.99$43.60
66% off
Color
Black
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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
4.8
41 ratings
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Worked, no problem
No water temp failed after 15 years. The pool temperature was showing way hot. I replaced it with this one. It attached exactly where the old one was. Took no time at all. And seems to register fine.
J
Jim · October 16, 2026
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.