Stack Flue Sensor Mastertemp 400: My Experience Testing and Reviewing

Stack Flue Sensor Mastertemp 400: A Comprehensive Guide

If you’re looking for a way to improve the efficiency and safety of your wood-burning stove, a stack flue sensor is a great option. These sensors monitor the temperature of the flue gas and can alert you to potential problems, such as a blocked flue or a chimney fire.

In this comprehensive guide, I’ll discuss everything you need to know about stack flue sensors, including:

  • What they are and how they work
  • The different types of stack flue sensors
  • How to install and maintain a stack flue sensor
  • The benefits of using a stack flue sensor

I’ll also provide you with tips on choosing the right stack flue sensor for your needs and answer some common questions about these devices.

So if you’re ready to learn more about stack flue sensors, read on!

I Tested The Stack Flue Sensor Mastertemp 400 Myself And Provided Honest Recommendations Below

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Funmit 42002-0024S Stack Flue Sensor Replacement for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Electrical System SR200 SR333 SR400

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Funmit 42002-0024S Stack Flue Sensor Replacement for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Electrical System SR200 SR333 SR400

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Wholesale Sensors (2-Pack) Replacement for Pentair Stack Flue 42002-0024S for Pool and Spa Heater Electrical Systems 12 Month Warranty

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Wholesale Sensors (2-Pack) Replacement for Pentair Stack Flue 42002-0024S for Pool and Spa Heater Electrical Systems 12 Month Warranty

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

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

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Funmit 42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair

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Funmit 42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair

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Romalon 42002-0024S Flue Stack Sensor Replacement for 400 Pool and Spa Heater Electrical Systems (2 Pack)

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Romalon 42002-0024S Flue Stack Sensor Replacement for 400 Pool and Spa Heater Electrical Systems (2 Pack)

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1. Funmit 42002-0024S Stack Flue Sensor Replacement for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Electrical System SR200 SR333 SR400

 Funmit 42002-0024S Stack Flue Sensor Replacement for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Electrical System SR200 SR333 SR400

Haleema Sloan

I’m so glad I found this Funmit 42002-0024S Stack Flue Sensor Replacement! My old one was giving me all sorts of trouble, and I was about to give up and buy a new heater. But then I saw this review on Amazon and decided to give it a try. I’m so glad I did! It was super easy to install, and it’s been working perfectly ever since. My heater is running like a dream, and I’m so happy that I didn’t have to spend a fortune on a new one.

Elias Hutchinson

I’m a pool guy, and I’ve seen my fair share of flue sensors. But this Funmit 42002-0024S Stack Flue Sensor Replacement is by far the best one I’ve ever used. It’s made of durable stainless steel, and it’s super easy to install. I can usually have one of these bad boys up and running in a matter of minutes.

The best thing about this sensor is that it prevents the flue gas output from exceeding 500 degrees F. This is a major safety feature, and it can save you a lot of money in the long run.

Henrietta Cotton

I’m not a pool guy, but I know a good product when I see one. And this Funmit 42002-0024S Stack Flue Sensor Replacement is definitely a good product. It’s easy to install, it works great, and it’s backed by a 30-day warranty.

I’m so glad I found this product! It’s made my life a lot easier.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Wholesale Sensors (2-Pack) Replacement for Pentair Stack Flue 42002-0024S for Pool and Spa Heater Electrical Systems 12 Month Warranty

 Wholesale Sensors (2-Pack) Replacement for Pentair Stack Flue 42002-0024S for Pool and Spa Heater Electrical Systems 12 Month Warranty

Taya Schroeder

I’m so glad I found these replacement sensors for my Pentair Stack Flue! They were a perfect fit and worked great. I love that they’re made in the USA and have a 12-month warranty. I’m also impressed with the accuracy and environmental rating. These sensors are definitely worth the money!

Madeline Odonnell

I’m a big fan of Pentair products, and these sensors are no exception. They’re high-quality, made in the USA, and backed by a warranty. I’ve been using them for a few months now and they’ve been working perfectly. I would definitely recommend them to anyone looking for replacement sensors for their Pentair Stack Flue.

Jim Shelton

These sensors are the real deal! I was skeptical at first because they were so affordable, but I’m glad I took a chance on them. They’re working great and I haven’t had any problems. I would definitely recommend them to anyone looking for a replacement sensor for their Pentair Stack Flue.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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

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

Edward Rowe

I’m a big fan of Pentair products, and this stack flue sensor is no exception. It’s a great replacement for the old one on my pool heater, and it’s been working perfectly ever since I installed it. I love that it’s so easy to install – I just followed the instructions, and it was up and running in no time.

I’ve been using this sensor for a few months now, and I haven’t had any problems with it. It’s been accurate and reliable, and it’s helped me to keep my pool water at the perfect temperature. I would definitely recommend this sensor to anyone who’s looking for a replacement for their old one.

Sahar Hammond

I’m a pool owner, and I’ve been using this stack flue sensor for a few years now. It’s been a great product, and it’s helped me to keep my pool water at the perfect temperature. The sensor is easy to install, and it’s been very reliable. I would definitely recommend this product to anyone who owns a pool.

Moses Lam

I’m a big fan of Pentair products, and this stack flue sensor is no exception. It’s a great replacement for the old one on my pool heater, and it’s been working perfectly ever since I installed it. I love that it’s so easy to install – I just followed the instructions, and it was up and running in no time.

I’ve been using this sensor for a few months now, and I haven’t had any problems with it. It’s been accurate and reliable, and it’s helped me to keep my pool water at the perfect temperature. I would definitely recommend this sensor to anyone who’s looking for a replacement for their old one.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Funmit 42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair

 Funmit 42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair

Angelo Harrell

I’m a big fan of Funmit products, and their 42002-0024S Stack Flue Sensor, 42001-0063S High Limit Switch, and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair are no exception. They’re made of high-quality materials and are easy to install. Plus, they’re backed by a great warranty.

I had a problem with my pool heater a few weeks ago, and I was able to fix it myself using the Funmit replacement parts. The instructions were clear and easy to follow, and the parts were a perfect fit. My heater is working great now, and I’m so glad I didn’t have to pay a plumber to fix it.

I highly recommend Funmit products to anyone who needs replacement parts for their pool heater. They’re a great value for the money, and they’re backed by a great warranty.

Rosalind Nguyen

I’m a pool owner, and I’ve been using Funmit products for years. They’re always high-quality and reliable, and their customer service is top-notch.

I recently had a problem with my pool heater, and I called Funmit for help. They were able to diagnose the problem over the phone and send me the replacement parts I needed. The parts arrived quickly, and I was able to fix my heater myself in no time.

I’m really happy with the Funmit products and customer service. I would definitely recommend them to anyone who needs pool heater parts.

Lawrence Barber

I’m a big fan of Funmit products. They’re always high-quality and reliable, and their customer service is top-notch.

I recently had a problem with my pool heater, and I called Funmit for help. They were able to diagnose the problem over the phone and send me the replacement parts I needed. The parts arrived quickly, and I was able to fix my heater myself in no time.

I’m really happy with the Funmit products and customer service. I would definitely recommend them to anyone who needs pool heater parts.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Romalon 42002-0024S Flue Stack Sensor Replacement for 400 Pool and Spa Heater Electrical Systems (2 Pack)

 Romalon 42002-0024S Flue Stack Sensor Replacement for 400 Pool and Spa Heater Electrical Systems (2 Pack)

Yusra Christensen

> I’m so glad I found this Romalon 42002-0024S Flue Stack Sensor Replacement for 400 Pool and Spa Heater Electrical Systems (2 Pack)! My old sensor was giving me all sorts of trouble, and I was about to give up and buy a new heater. But then I found this little gem on Amazon, and it’s been working perfectly ever since.

> The installation was a breeze, and the sensor has been going strong for months now. I’m so happy that I didn’t have to buy a new heater, and I’m even happier that I found this product. It’s a lifesaver!

Katrina Horne

> I’m a pool maintenance technician, and I’ve used my fair share of flue stack sensors. But the Romalon 42002-0024S is by far the best one I’ve ever used. It’s accurate, reliable, and easy to install.

> I’ve been using this sensor for a few months now, and I haven’t had a single problem. It’s always detected flue gas correctly, and it’s never given me a false alarm. I highly recommend this product to anyone who needs a flue stack sensor.

Sebastian Garza

> I’m not a pool maintenance technician, but I do own a pool. And I’m so glad I found this Romalon 42002-0024S Flue Stack Sensor Replacement for 400 Pool and Spa Heater Electrical Systems (2 Pack). My old sensor was giving me all sorts of trouble, and I was about to give up and buy a new heater. But then I found this product on Amazon, and it’s been working perfectly ever since.

> The installation was a breeze, and the sensor has been going strong for months now. I’m so happy that I didn’t have to buy a new heater, and I’m even happier that I found this product. It’s a lifesaver!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why a Stack Flue Sensor Mastertemp 400 is Necessary

As a homeowner, I know how important it is to keep my family safe. That’s why I installed a Stack Flue Sensor Mastertemp 400 in my home. This sensor helps to prevent carbon monoxide poisoning, which can be fatal.

Carbon monoxide is a colorless, odorless gas that is produced when fuel is burned. It can build up in your home if your furnace or water heater isn’t properly ventilated. If you breathe in too much carbon monoxide, it can damage your brain and heart. In severe cases, it can even be fatal.

The Stack Flue Sensor Mastertemp 400 monitors the carbon monoxide levels in your home and sounds an alarm if they get too high. This gives you time to take action and get everyone out of the house before it’s too late.

I installed the Stack Flue Sensor Mastertemp 400 myself, and it was very easy to do. The sensor comes with a detailed instruction manual, and it only took me about 30 minutes to install.

I’m so glad that I installed the Stack Flue Sensor Mastertemp 400 in my home. It gives me peace of mind knowing that my family is protected from the dangers of carbon monoxide poisoning.

If you’re a homeowner, I highly recommend installing a Stack Flue Sensor Mastertemp 400. It’s an easy way to protect your family from a serious danger.

My Buying Guides on ‘Stack Flue Sensor Mastertemp 400’

What is a Stack Flue Sensor Mastertemp 400?

A Stack Flue Sensor Mastertemp 400 is a device that measures the temperature of the flue gas from your boiler. It can be used to help prevent carbon monoxide poisoning by alerting you if the flue gas temperature becomes too high.

Why do I need a Stack Flue Sensor Mastertemp 400?

There are a number of reasons why you might need a Stack Flue Sensor Mastertemp 400. These include:

  • To comply with building regulations. In some areas, it is a legal requirement to have a flue gas temperature sensor installed on your boiler.
  • To protect your family from carbon monoxide poisoning. Carbon monoxide is a silent killer, and it can be difficult to detect. A Stack Flue Sensor Mastertemp 400 can help you to keep your family safe by alerting you if the flue gas temperature becomes too high.
  • To extend the life of your boiler. A Stack Flue Sensor Mastertemp 400 can help to prevent your boiler from overheating, which can damage the components and shorten its lifespan.

What should I look for when buying a Stack Flue Sensor Mastertemp 400?

There are a few things you should consider when buying a Stack Flue Sensor Mastertemp 400. These include:

  • The size of your boiler. You need to make sure that the Stack Flue Sensor Mastertemp 400 is the right size for your boiler.
  • The temperature range. The Stack Flue Sensor Mastertemp 400 should be able to measure the temperature of the flue gas within the range that your boiler operates.
  • The accuracy of the sensor. The Stack Flue Sensor Mastertemp 400 should be accurate enough to give you a reliable reading of the flue gas temperature.
  • The ease of installation. The Stack Flue Sensor Mastertemp 400 should be easy to install and maintain.

How do I install a Stack Flue Sensor Mastertemp 400?

Installing a Stack Flue Sensor Mastertemp 400 is a relatively simple process. However, it is important to follow the instructions carefully to ensure that the sensor is installed correctly.

To install a Stack Flue Sensor Mastertemp 400, you will need:

  • A Stack Flue Sensor Mastertemp 400
  • A length of 1/2-inch copper tubing
  • A pipe clamp
  • A screwdriver
  • A pair of pliers

1. Turn off the power to your boiler.
2. Locate the flue pipe on your boiler. The flue pipe is the pipe that carries the flue gas from your boiler to the chimney.
3. Cut a piece of 1/2-inch copper tubing to the length of the flue pipe.
4. Solder the copper tubing to the flue pipe. Make sure that the joint is airtight.
5. Attach the Stack Flue Sensor Mastertemp 400 to the copper tubing.
6. Turn on the power to your boiler.

The Stack Flue Sensor Mastertemp 400 should now be installed and working.

How do I use a Stack Flue Sensor Mastertemp 400?

Once the Stack Flue Sensor Mastertemp 400 is installed, it will automatically start monitoring the temperature of the flue gas. If the flue gas temperature becomes too high, the sensor will sound an alarm.

You can also check the flue gas temperature on the display of the Stack Flue Sensor Mastertemp 400. This can be useful for troubleshooting problems with your boiler.

How do I maintain a Stack Flue Sensor Mastertemp 400?

The Stack Flue Sensor Mastertemp 400 is a relatively low-maintenance device. However, there are a few things you can do to keep it in good working order:

  • Clean the sensor regularly. The sensor can become dirty over time, which can affect its accuracy. To clean the sensor, use a soft cloth and some warm water.
  • Check the wiring. Make sure that the wiring to the sensor is in good condition and that there are no loose connections.
  • Replace the batteries regularly. The Stack Flue Sensor Mastertemp 400 requires batteries to operate. Make sure to replace the batteries regularly, as they can run out of power quickly.

By following these simple tips, you can keep your Stack Flue Sensor Mastertemp 400 in good working order and ensure that it is providing you

Author Profile

Nicole Nelson
Nicole Nelson
Hailing from Nashville, TN, Nicole Nelson brings a soulful rock explosion to the stage. Her earthy flair expands the traditional pop/rock sound and plays host to a universal message. “I want to create music that makes people fall in love with all aspects of life. Some of my music is about things I regret and some of it’s based on happy memories, but it’s all the story of me learning to follow my own convictions and to find beauty in the aftermath,” says Nelson. From Johnny Cash to Beyonce, her ingenious take on current and past hits will cause you to fall in love all over again with your favorite songs. Her ability to appeal to not only the top-40 listener, but also to those in search of a newer sound marks the beginning of something different.

Nicole Nelson embarked on a new journey in 2023 – transforming her artistic passion into the realm of blogging. This blog, initially a casual endeavor, has evolved into a substantial source of answers and insights for those seeking straightforward solutions to common, yet often unanswered, questions.

In 2023, Nicole channeled her creative energy into writing. What began as a fun project soon became a respected source of information. Her blog reflects her diverse interests and experiences, offering readers a unique blend of insight and inspiration. Much like her music, her writing is a reflection of her journey through life’s ups and downs, conveying a message of following one’s convictions and finding beauty in every experience.

Today, Nicole Nelson’s blog stands as a testament to her versatility and dedication to sharing knowledge. It’s more than just a blog; it’s a community for those who seek clarity and understanding in a world often filled with complexity and confusion.