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Romalon 42002-0024S Stack Flue Stack Sensor Temperature Sensor Replacement for Pentair Sta-Rite Master-Temp Max-E-Therm Pool and Spa Heater Electrical Systems (2 Pack)

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  • 【Package Inclueds】2*42002-0024S Stack Flue Sensor—Located on the exhaust elbow of the pool heater. Operating temperature ranges from -20°C to 105°C
  • 【Wide Compatibility】42002-0024S Stack Flue Sensor Replacement for Pentair MasterTemp pool and spa heater electrical systems.Fits for Pentair Sta-Rite Max-E-Therm pool and spa heater electrical systems model SR200, SR333, SR400
  • 【Excellent Performance】42002-0024S can effectively prevent the flue gas output from exceeding 500°F. When this fails, the system will display an error code E05 or E06 to indicate that the chimney flue sensor must be replaced
  • 【High Quality】Our products are made of stainless steel, which is not easy to rust, and have been rigorously tested by the manufacturer, are not easy to damage, and have a longer service life. NOTE—Please turn off the power before replacing and wear work gloves to protect your hands!
  • 【After-sales Service】If you are not satisfied with the product for any reason, please feel free to contact us or ask a question through Amazon, it would be our pleasure to serve you!



Product Description

42002-0024S
Stack Flue Stack Sensor Temperature Sensor
42002-0024S Stack Flue Stack Sensor
Temperature Sensor Replacement
Pool and Spa Heater Electrical Systems
Pentair

Brian
Reviewed in the United States on January 24, 2025
Fixed the E05 error code on my Pentair pool water heater. Has been working for 2 summers now, with no issues.
Holly
Reviewed in the United States on September 4, 2024
Pool headed coded out. Easy fix with these temp sensors.
mia
Reviewed in the United States on July 7, 2024
Quality and fit, ease of installation was point on. It’s sturdy and saved us a lot of money doing it ourselves. Bought extras to hand at hand.
Jay Hawk
Reviewed in the United States on July 22, 2024
Purchased as a replacement part for my Pentair pool heater. Easy to install and works perfectly.
Betty T
Reviewed in the United States on June 21, 2024
Sensor on our pool heater kept reading E05 (error 05). We replaced the sensor and heater is up and running without issues.
UTJohnnyDollar
Reviewed in the United States on February 11, 2024
The hot tub stopped heating and the display read E05. I looked it up and everything pointed to a bad stack flu sensor. I quickly got on Amazon and ordered the 2 pack bc it was almost as cheap as a single. Took me about 20 minutes to install. It would have been faster but whoever installed the heater only left about 4 inches between the back of the heater and the wall. So, I had to remove the front and back cover as well as the top. I put everything back together and the hot tub is currently heating up to 104. Ah yeah.I compared the quality of the sensor on the old and the new. I could tell the original was poorly made because bare wire was exposed at the back where the wires go in.Tip: Turn off the breaker before you try to replace the sensor! It may save you from a shocking incident.
RAF
Reviewed in the United States on November 13, 2024
Perfect fit and works good
Maitreya V Madhyastha
Reviewed in the United States on April 10, 2024
I live in an area with significant rodent action… this was my second sensor in this pool heater unit, the previous one was a failure due to a rodent chewing the wire. If you may have this issue, I recommend ordering a spook of stainless wire braid and cover the leads of any sensitive wiring to protect the leads. No problems once I did that.
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