Water Heater Flame Sensor: What You Didn’t Know About These 5 Picks

Looking for reliable flame sensors? The water heater flame sensor ensures safety and efficiency in your heating system.

A water heater flame sensor is vital for preventing hazardous situations. The Rheem SP20172 Flammable Vapor FV Sensor Kit provides top-notch safety with its innovative design, ensuring reliable operation. Additionally, the PFS401 Universal Furnace Electrode Flame Sensor is perfect for replacing old units, enhancing your HVAC system’s performance.

These sensors are versatile and ideal for various applications, providing peace of mind in homes and businesses. Their unique selling points include durability and compatibility with multiple water heater brands, making them a smart choice for any setup.

In this full review, you’ll learn about the features, benefits, and installation tips for these flame sensors. Stay informed and ensure your water heating system operates safely and efficiently.

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water heater flame sensor

Rheem Flammable Vapor Sensor Kit

#1 CHOICE

Rheem SP20172 Flammable Vapor FV Sensor Kit White, 6.7X2.7X9.4 inches

The Rheem SP20172 Flammable Vapor FV Sensor Kit is designed to enhance the safety and efficiency of your water heater system. Ideal for homeowners and HVAC professionals, this sensor kit ensures that your water heater operates safely in environments where flammable vapors may be present. With dimensions of 6.7 x 2.7 x 9.4 inches, this compact kit includes the FV Sensor (AP13447-3), a cap plug (AP13450-3), and a 6-inch wire tie, making it a complete solution for your replacement needs.

This sensor kit effectively addresses the common issue of flammable vapor detection, significantly improving user safety by preventing potential hazards associated with gas leaks. By replacing the old or malfunctioning sensor, users can rest assured that their water heater will function optimally, providing peace of mind.

Pros

  • Problem-solving capability: Detects flammable vapors, enhancing safety.
  • Durability: Built with high-quality materials for long-lasting performance.
  • Ease of use: Simple installation process, suitable for DIY enthusiasts.
  • Compatibility: Specifically designed to replace the AP13447-3 sensor, ensuring a perfect fit.

Cons

  • Price: Slightly higher than generic alternatives.
  • Niche application: Best suited for specific Rheem and Ruud water heater models.

The performance of the Rheem SP20172 Flammable Vapor FV Sensor Kit stands out due to its reliability and effectiveness in detecting hazardous conditions. Its compact size allows for easy integration into various water heater setups without taking up unnecessary space. This product is best suited for homeowners who prioritize safety in their heating systems and HVAC professionals looking for a trustworthy replacement part.

In summary, the Rheem SP20172 Flammable Vapor FV Sensor Kit is an essential component for enhancing the safety of your water heater. With its robust features and reliability, it is ideal for those who value safety and efficiency in their home heating systems.

To buy this product, click here.

PFS401 Flame Sensor for White Rodgers 760-401

#2 CHOICE

PFS401 Universal Furnace Electode Flame Sensor replaces White Rodgers 760-401 HVAC Part

The PFS401 Universal Furnace Electrode Flame Sensor is designed to enhance the safety and efficiency of your heating systems, making it ideal for homeowners and HVAC professionals alike. This product is specifically engineered to replace the White Rodgers 760-401 HVAC part, ensuring universal compatibility with various heating systems. Its compact size and lightweight design (weighing only 0.023 kg) make it easy to handle and install, providing a seamless solution for flame detection in furnaces and water heaters.

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One of the key benefits of the PFS401 is its accurate flame detection capability. Utilizing an analog output type, it guarantees precise flame sensing, which is crucial for the safe operation of any heating system. By effectively monitoring and controlling furnace flames, this sensor significantly reduces the risk of malfunctions and enhances overall system performance.

Pros

  • Universal compatibility with White Rodgers 760-401 HVAC systems.
  • Accurate flame detection for improved safety and efficiency.
  • Durable construction ensures long-lasting performance.
  • Lightweight design allows for easy installation and handling.
  • Surface mount design simplifies setup, saving time and effort.

Cons

  • May not fit all heating systems, requiring verification of compatibility.
  • Limited to specific applications, primarily for furnaces and water heaters.

In terms of performance, the PFS401 stands out with its reliable flame detection, which is essential for preventing hazardous situations in heating systems. Its easy installation process means that even those with minimal technical skills can set it up quickly. However, users should be aware that while it is designed for universal compatibility, it’s important to verify that it matches their specific HVAC system to avoid any installation issues.

The PFS401 Universal Furnace Electrode Flame Sensor offers excellent value for both homeowners and HVAC technicians seeking a dependable solution for flame monitoring. Its blend of durability, ease of use, and accurate performance makes it an ideal choice for those looking to enhance the safety and efficiency of their heating systems.

To buy this product, click here.

Rheem Flammable Vapor Sensor Kit

#3 CHOICE

SP20172 Flammable Vapor FV Sensor Kit | AP13447-3 - 25VS | Water Heater Flammable Vapor Sensor Replacement Parts for Rheem, Ruud, Richmond FVIR Water Heaters

The SP20172 Flammable Vapor FV Sensor Kit is designed to enhance safety by detecting flammable vapors around water heaters, making it ideal for homeowners with Rheem, Ruud, and Richmond FVIR water heaters. This kit includes a Flammable Vapor Sensor (AP13447-3 – 25VS), a Cap Plug, and a Wire Tie, ensuring compatibility with specific models of AO Smith and Bradford White water heaters. Its compact design allows for easy installation, providing peace of mind for users concerned about gas leaks.

This sensor kit addresses a critical safety issue by quickly reacting to gasoline vapors in the air surrounding the water heater. Upon detection, it promptly triggers the control module to shut off the gas supply, significantly reducing the risk of ignition and potential hazards. The sensor operates without the need for external power, relying on the control circuit’s minimal energy to monitor vapor concentration effectively.

Pros

  • Enhanced Safety: Quickly detects flammable vapors, preventing potential gas leaks.
  • Easy Installation: Comes with necessary components for straightforward setup.
  • Immediate Response: Triggers gas shut-off within seconds of detecting vapors.
  • Power Efficiency: Operates without external power, simplifying installation.

Cons

  • Compatibility Limitations: Only works with specific water heater models.
  • Price Point: May be pricier compared to generic alternatives.

In terms of performance, the SP20172 Flammable Vapor FV Sensor Kit excels in real-world usability. Users report that after installation, their water heaters resumed normal function, restoring hot water efficiently. This kit is best suited for homeowners who prioritize safety and are willing to invest in reliable components for their water heating systems. While the price may be a consideration, the enhanced safety features justify the cost for many users.

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In summary, the SP20172 Flammable Vapor FV Sensor Kit is an essential product for those who own compatible water heaters and seek to improve safety in their homes. Its quick response time and ease of installation make it a valuable addition to any water heating system.

To buy this product, click here.

Rheem Thermopile Sensor Assembly Replacement

#4 CHOICE

750mv Thermopile Senor Assembly Replacement Fit for Rheem Ruud Richmond Water Heaters Pilot Burner Gas Water Heater Thermocouple Sensor Type Replace SP20824 SP20754 SP21058 SP20800 SP21096 SP20739

The 750mv Thermopile Sensor Assembly Replacement is designed to enhance the efficiency and safety of gas water heaters, making it ideal for homeowners and maintenance professionals who rely on Rheem, Ruud, and Richmond water heater models. This high-performance thermopile assembly ensures that the gas combustion process is monitored effectively, providing a stable voltage output of around 750mv. Its durable construction, featuring corrosion-resistant and high-temperature-resistant materials, guarantees longevity and reliability.

This thermopile sensor assembly solves critical issues related to gas water heater performance. By accurately monitoring combustion temperatures, it prevents ignition failures and minimizes the risk of gas leaks. Its compatibility with multiple models makes it a versatile choice for various users, ensuring that they can maintain their water heaters without extensive modifications.

Pros

  • Reliable Performance: Ensures stable operation and safety by monitoring gas combustion temperatures in real-time.
  • Durable Construction: Made from high-quality materials that withstand high temperatures and corrosion.
  • Easy Installation: Designed for quick replacement without extensive disassembly, saving time on maintenance.
  • High Sensitivity Output: Maintains performance in humid and gas-rich environments, reducing the need for frequent replacements.

Cons

  • Compatibility Check Required: Users must confirm compatibility with their specific water heater model before purchasing.
  • Price Point: Higher quality may come at a premium compared to cheaper alternatives.

In terms of performance, the 750mv Thermopile Sensor Assembly stands out due to its ability to maintain a constant temperature and ensure safe operation of gas water heaters. Its quick response characteristics further enhance safety by minimizing potential hazards associated with gas leaks. While it is best suited for users of Rheem, Ruud, and Richmond water heaters, those with other brands should verify compatibility beforehand.

Overall, the 750mv Thermopile Sensor Assembly Replacement is an invaluable component for anyone looking to improve their gas water heater’s functionality and safety. Its robust design and reliable performance make it a top choice for homeowners and technicians alike.

To buy this product, click here.

Atwood 93868 Water Heater Igniter

#5 CHOICE

93868 Water Heater Igniter Electrode with Spark Probe,RV Water Heater Replacement Parts,Sensor Spark Probe for Atwood 93868, 2-Prong Igniter Repair for RV Emergency Camper GCH6-4E, GCH6-6E,1Pack

The 93868 Water Heater Igniter Electrode with Spark Probe is designed to ensure safe and efficient operation of RV electric water heaters. This replacement part is ideal for RV owners who need reliable ignition for their water heating systems. Its compatibility with various Atwood models, such as GCH6-4E, GCH6-6E, and many others, makes it a versatile choice for users looking to maintain their RV water heaters.

Measuring at a standard size suitable for easy installation, the igniter features durable materials that withstand the rigors of RV travel. Its sleek design and color ensure it blends seamlessly into the existing hardware. The 93868 Water Heater Igniter effectively addresses common issues related to faulty ignition, providing a consistent spark that ignites the propane gas, ensuring hot water is readily available during your travels.

Pros

  • Reliable ignition performance enhances water heating efficiency.
  • Compatible with a wide range of Atwood models, offering versatility.
  • Easy installation process, even for those with minimal technical skills.
  • Durable construction ensures longevity and dependable use.
  • Helps maintain optimal water heater functionality, providing comfort during trips.
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Cons

  • May require checking the gap settings before installation, which could be challenging for some users.
  • Limited to specific Atwood models, which may not suit all RVs.
  • Price point may be higher compared to generic alternatives.

The performance of the 93868 Water Heater Igniter stands out due to its consistent spark generation, which is crucial for efficient water heating. Its user-friendly installation process allows even novice RV owners to replace their old igniter without professional help. However, it is important to ensure the gap between the sparking probe and the ground probe is set correctly for optimal functionality.

This igniter is best suited for RV enthusiasts who prioritize reliability and efficiency in their water heating systems. While it has some limitations regarding compatibility and installation requirements, the benefits of having a dependable water heater igniter far outweigh these minor drawbacks. Overall, the 93868 Water Heater Igniter Electrode is a valuable investment for anyone looking to enhance their RV experience with reliable hot water access.

To buy this product, click here.

Faq about Water Heater Flame Sensor:

1: What is a water heater flame sensor?

A water heater flame sensor is a safety device that detects the presence of a flame in gas water heaters. It ensures that the gas supply is cut off if the flame goes out, preventing gas leaks.

2: How does a flame sensor work?

The flame sensor uses a thermocouple or a photocell to detect heat or light from the flame. If the sensor does not detect a flame, it signals the gas valve to close, stopping gas flow.

3: Why is the flame sensor important?

The flame sensor is crucial for safety. It prevents gas buildup, which can lead to explosions or fires, ensuring safe operation of the water heater.

4: What are common problems with flame sensors?

Common issues include dirt buildup, corrosion, or malfunction. These can prevent the sensor from detecting the flame, causing the water heater to shut down.

5: How can I maintain my flame sensor?

Regularly clean the flame sensor with a soft cloth to remove dirt and debris. Inspect it for wear and replace it if necessary to ensure proper function.

Conclusion

Rheem’s Flammable Vapor Sensor Kit exemplifies innovation, providing enhanced safety through its advanced detection capabilities, crucial for preventing hazardous incidents. Its reliability and ease of integration make it a preferred choice for homeowners prioritizing security.

Conversely, the PFS401 Flame Sensor for White Rodgers 760-401 stands out for its precision and responsiveness, ensuring optimal functionality in various heating systems. Both products underscore the importance of safety and efficiency in modern water heating solutions, catering to diverse consumer needs.