★★★★★ 5
Good
Works great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2024
Stack Flue Sensor, Pentair MasterTemp/Max-E-Therm, Service Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Stack Flue Sensor, Pentair MasterTemp/Max-E-Therm, Service KitApplication: MasterTemp, Max E Therm SR 200, Max E Therm SR 333, Max E Therm SR 400 This new stack flue sensor comes with instructions on how to retrofit the older stack flue switch (42002 0009). Click here to view the instructions as a PDF.
Quick Dispatch:
Your Stack Flue Sensor, Pentair MasterTemp/Max-E-Therm, Service Kit orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Stack Flue Sensor, Pentair MasterTemp/Max-E-Therm, Service Kit ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.1 ★★★★★
Based on 989 reviews
Sort
Product Reviews
★★★★★ 1
Cheap
Cheaply made
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Great quality and price
Perfect fit. Received quicker than boat shop
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Reviewed in the United States on June 22, 2025
★★★★★ 5
Easy to install if you watch some online how to videos.
The water pump kit worked great on my 35 year old, 2 stroke, 100hp, Mercury Outboard.
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Reviewed in the United States on May 15, 2025
★★★★★ 4
Very good shipped and received fast
Missing one bottom gasket. Maybe factor made changes from old style
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Reviewed in the United States on July 10, 2021
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